By Pt. Abhishek Sharma
From Vikram Samvat to Tamil Panchangam: Choghadiya Remains Astronomically Identical Across All Calendars

Imagine discovering that despite India incredible diversity including different languages calendar systems regional traditions and cultural practices one timing system works identically across all of them. This is the profound truth of Choghadiya. Whether you consult a Gujarati Panchang a Tamil calendar a Jain almanac or a Bengali timetable the Choghadiya timings remain mathematically identical. This consistency reveals something extraordinary. Choghadiya is grounded not in cultural preference but in universal astronomical reality. Your Moon sign which is discoverable through Vedic calculators using your exact birth details reveals your emotional nature and helps you understand which regional calendar tradition resonates most deeply with your personal practice while the Choghadiya timings themselves remain astronomically identical regardless of which calendar you follow.
Choghadiya literally means four ghadi units where one ghadi equals approximately twenty four minutes. Therefore one Choghadiya equals four ghadis which equals approximately ninety six minutes or about one hour thirty six minutes.
Every twenty four hour day is divided into sixteen Choghadiyas. Eight day Choghadiyas run from sunrise to sunset divided into eight equal parts. Eight night Choghadiyas run from sunset to next sunrise divided into eight equal parts. Each Choghadiya is governed by a planetary energy that defines its quality whether auspicious neutral or inauspicious.
Despite sixteen time windows daily there are only seven distinct types each ruled by one of the seven classical planets.
| Type | Ruling Planet | Nature | Element | Typical Use |
|---|---|---|---|---|
| Amrit | Moon | Very Auspicious | Water | Spiritual practices family emotional harmony |
| Shubh | Jupiter | Auspicious | Ether | Marriage business starts important travel |
| Labh | Mercury | Profitable | Air | Education finance trade commerce |
| Chal | Venus | Neutral | Earth | Routine work movement meetings |
| Udveg | Sun | Inauspicious | Fire | Avoid major tasks stress possible |
| Kaal | Saturn | Very Inauspicious | Air | Delays losses obstacles |
| Rog | Mars | Harmful | Fire | Conflicts health issues danger |
Before understanding Choghadiya role we must understand the Panchang which literally means five limbs. A Panchang tracks five key astronomical measurements for every day. Vara meaning weekday such as Friday ruled by Venus. Tithi meaning lunar day which is Moon phase. Nakshatra meaning lunar mansion which is Moon zodiacal position. Yoga meaning planetary combination auspicious or inauspicious. Karana meaning half Tithi which is further division.
Finding a truly perfect time meaning a Shubh Muhurta for major events like weddings requires a trained astrologer to analyze all five limbs plus the rising ascendant Lagna and much more. This complexity is impractical for daily decisions. Enter Choghadiya which is the ready to use simplified system that bypasses five limb complexity and gives a simple good neutral or bad rating for blocks of time.
Choghadiya science is based on astronomical time which is one hundred percent dependent on local sunrise and sunset times. Planetary rulership assigns one of seven planetary energies to each time block.
Critical insight is that Choghadiya is based on astronomical phenomena not calendar dates. The formula is Choghadiya duration equals day or night physical duration divided by eight where day duration equals sunset time minus sunrise time and night duration equals next sunrise minus sunset.
Key truth is that sunrise and sunset are universal astronomical events. They occur regardless of which calendar system you use. Whether you call today one Kartik Hindu lunar or October thirty one Gregorian or sixteen Kartik Vikram Samvat two thousand eighty two North Indian the actual sunrise and sunset times remain identical. Therefore Choghadiya calculations remain identical across all calendar systems.
| Calendar System | Region | Epoch | Month Count | Year Length | Base |
|---|---|---|---|---|---|
| Gregorian | Nationwide official | One CE | Twelve months | Three hundred sixty five point two five days | Solar |
| Hindu or Vedic | Religious traditional | Three thousand one hundred two BCE Kaliyuga | Twelve lunar plus intercalary | Three hundred fifty four or three hundred eighty four days | Lunisolar |
| Vikram Samvat | North Central India | Fifty seven BCE | Twelve lunar | Three hundred fifty four or three hundred eighty four days | Lunisolar |
| Shaka Era | South India | Seventy eight CE | Twelve lunar | Three hundred fifty four or three hundred eighty four days | Lunisolar |
| Bengali | Bengal Assam | Five hundred ninety three or four CE | Twelve lunar | Three hundred fifty four or three hundred eighty four days | Lunisolar |
| Tamil Malayalam | South India | Three thousand one hundred two BCE Kaliyuga | Twelve lunar or solar | Three hundred fifty four or three hundred eighty four days | Lunisolar |
Calendar follows lunisolar Hindu calendar based on Vikram Samvat. Calculation method is that calculations begin from sunrise each day. Planetary sequence starts with the weekday ruler planet. Example is Monday starts with Moon Hora so first Choghadiya equals Amrit. Then cycle follows fixed planetary order which is Sun Venus Mercury Moon Saturn Jupiter Mars and repeat.
Night Choghadiya starts from sunset. First night Choghadiya is ruled by the fifth planet from the day lord. Planetary to Choghadiya mapping is Sun equals Udveg, Moon equals Amrit, Mars equals Rog, Mercury equals Labh, Jupiter equals Shubh, Venus equals Chal and Saturn equals Kaal.
Regional importance is that Gujarat gives Choghadiya major importance for daily business timings. Common names are Amrut Shubh Labh Chal Udveg Kaal and Rog same as standard. Practical use is that Gujarati businesspeople religiously consult Choghadiya for starting a journey, opening shops, money transactions and signing documents.
Publication is that many Gujarati Panchangs such as Bhadli Panchang provide daily Choghadiya tables printed for both din meaning day and ratri meaning night. Cultural note is that in Gujarat checking Choghadiya before important business decisions is as common as checking the weather forecast.
Unique characteristic is that the Jain Panchang uses Choghadiya but slightly adjusts sunrise and sunset based on Ahimsa non violence timing principles. Spiritual focus is that certain Choghadiyas like Rog and Kaal are strictly avoided for religious vows Pratikraman, Paryushan ceremonies and temple activities such as Puja and Pravachan.
Philosophical emphasis is that the Jain approach emphasizes mental purity and karmic neutrality. Not just planetary good or bad but ethical timing. Alignment of outer time with inner spiritual state. Unique teaching is that Jains believe that acting during inauspicious Choghadiyas can create subtle karmic impressions that must later be purified.
Important note is that while Choghadiya is not directly used by name in Tamil tradition equivalent concepts exist. Tamil timing systems include Nalla Neram meaning auspicious period equivalent to Amrit Shubh Labh. Yamagandam and Rahu Kalam meaning inauspicious similar to Kaal and Rog. Gowri Panchangam is the most direct Southern equivalent to Choghadiya.
Gowri Panchangam divides day into eight parts similar to Choghadiya. Each part is named after a planetary quality such as Amirdha Kalam meaning nectar time, Uthama Kalam meaning excellent time and Madhya Kalam meaning moderate time. Usage is that these are used for travel ceremonies and temple work throughout Tamil Nadu.
South Indian inauspicious windows unlike North India Choghadiya emphasize specific ninety minute inauspicious windows. Rahu Kaalam meaning Rahu time ruled by shadow planet Rahu is strictly avoided for all new undertakings. Yamagandam meaning Yama time ruled by Yama god of death is strictly avoided. Gulika Kaalam meaning Gulika time ruled by Gulika son of Saturn is inauspicious for most but good for repetitive actions such as buying gold or repaying loans.
Key difference is that while North India uses Choghadiya for both auspicious and inauspicious windows South India emphasizes avoiding specific inauspicious periods.
System used is Gowri Panchangam style Choghadiya. Choghadiya types are Subha Amrita Madhya Roga Kaal and Udvigna. Regional practice is that Marathi almanacs Panchangs list both Hora and Choghadiya for local sunrise and sunset providing comprehensive timing information for daily decisions.
Step one is determine day and night duration. Compute local sunrise and sunset times. Divide daytime and nighttime each into eight equal parts.
Step two is apply planetary order. Planetary sequence same for all calendars is Sun Venus Mercury Moon Saturn Jupiter Mars and repeat.
Step three is determine first Choghadiya ruler. For daytime the weekday planetary lord. For nighttime the fifth planet from the weekday lord.
Scenario is Wednesday sunrise six twenty AM sunset six PM. Calculation is day duration eleven hours forty minutes divided by eight equals one hour twenty seven minutes per Choghadiya. Ruling planet of Wednesday is Mercury. First Choghadiya is Labh which is Mercury Choghadiya.
Daytime sequence is Labh Amrit Kaal Shubh Rog Udveg Chal Labh repeats. Result is the first one hour twenty seven minutes from six twenty to seven forty seven AM equals Labh Choghadiya which is excellent for starting a business or signing deals.
| Calendar | Date Name | Year | Day Length | Choghadiya Duration Delhi |
|---|---|---|---|---|
| Gregorian | October thirty one two thousand twenty five | Two thousand twenty five | Eleven hours four minutes | Approximately eighty three minutes |
| Hindu Vedic | Mid Kartik Krishna Paksha | Kaliyuga five thousand one hundred twenty seven | Eleven hours four minutes | Approximately eighty three minutes |
| Vikram Samvat | Kartik Shukla sixteen VS two thousand eighty two | Two thousand eighty two | Eleven hours four minutes | Approximately eighty three minutes |
| Shaka Era | Kartik fifteen Shakabda one thousand nine hundred forty seven | One thousand nine hundred forty seven | Eleven hours four minutes | Approximately eighty three minutes |
| Bengali | Kartik fifteen Bengali one thousand four hundred thirty one | One thousand four hundred thirty one | Eleven hours four minutes | Approximately eighty three minutes |
| Choghadiya | Time Delhi | Duration | Quality |
|---|---|---|---|
| Chal | Six thirty seven to seven sixty AM | Eighty three minutes | Auspicious |
| Labh | Seven sixty to nine twenty four AM | Eighty three minutes | Profitable |
| Amrit | Nine twenty four to ten forty seven AM | Eighty three minutes | Most Auspicious |
| Kaal | Ten forty seven to twelve ten PM | Eighty three minutes | Avoid |
| Shubh | Twelve ten to one thirty three PM | Eighty three minutes | Auspicious |
| Rog | One thirty three to two fifty six PM | Eighty three minutes | Avoid |
| Udveg | Two fifty six to four nineteen PM | Eighty three minutes | Avoid |
| Chal | Four nineteen to five forty two PM | Eighty three minutes | Protective |
Conclusion regardless of which calendar name you use Choghadiya is identical.
| Region | System Name | Auspicious Terms | Inauspicious Terms | Notes |
|---|---|---|---|---|
| North India | Choghadiya | Amrit Shubh Labh | Kaal Rog Udveg | Widely used in daily almanacs |
| Gujarat | Choghadiya | Amrut Shubh Labh Chal | Kaal Rog Udveg | Essential for business and travel |
| Tamil Nadu | Gowri Panchangam | Nalla Neram Uthama | Rahu Kalam Yamagandam | Similar division regional names |
| Maharashtra Karnataka | Gowri | Shubha Amrita | Kaal Roga | Used for muhurta selection |
| Jain Tradition | Choghadiya | Amrit Shubh | Kaal Rog | Spiritual applications ethical timing |
Choghadiya is divorced from calendar names. It depends solely on geographic location which is latitude and longitude determine sunrise and sunset. Date in solar year determines day length independent of calendar. Local time zone affects clock times but not day duration.
Therefore October thirty one two thousand twenty five in Delhi has identical Choghadiya whether you call it Gregorian Hindu Vikram Shaka or Bengali. Same location plus same date equals same sunrise and sunset time equals same Choghadiya duration.
Choghadiya duration formula independent of calendar is day Choghadiya duration equals sunset time hours minutes minus sunrise time hours minutes divided by eight. Variables are sunrise which is function of latitude longitude day of year. Sunset which is function of latitude longitude day of year. Neither depends on calendar system used. Conclusion is calendar system is merely a labeling system and it does not affect physical reality.
The fact that Choghadiya remains constant across calendars reveals profound truth. Astronomical phenomena are universal. Sunrise and sunset occur identically for all humans at a given location independent of cultural belief systems or calendar names. Calendar systems are human constructs with different epochs month names and year numbers but all attempting to track the same astronomical events.
Choghadiya aligns with astronomical reality not dependent on arbitrary calendar choices and reflects the objective rhythm of Earth rotation and orbit. This universality validates Choghadiya effectiveness. If Choghadiya worked differently across calendars it would be arbitrary. The fact it remains constant suggests it reflects genuine cosmic principles.
Use Gregorian Calendar for modern international communication, coordinating across time zones, scientific astronomical references and global business decisions.
Use Regional Indian Calendar for traditional rituals and festivals, Hindu religious observances, regional cultural events and community specific Choghadiya interpretation.
Use Kaliyuga Calendar for deep Vedic spiritual alignment, historical and karmic calculations, connecting to ancient wisdom tradition and Nadi and Hora Lagna analysis.
Use Locally Relevant Calendar such as Vikram Shaka Bengali for regional predictions and trends, local festival and celebration timing, community specific muhurat selection and regional astrologer consultations.
Note the date in Gregorian for universal reference. Calculate sunrise and sunset for your location. Derive Choghadiya times identical across calendars. Consult regional calendar for cultural seasonal context. Make decision using Choghadiya timing plus cultural wisdom.
Your Moon sign may naturally resonate with specific regional calendar traditions.
| Moon Sign | Natural Calendar Affinity | Why |
|---|---|---|
| Aries Leo Sagittarius Fire signs | North Indian Vikram Samvat | Direct pioneering approach |
| Taurus Virgo Capricorn Earth signs | Gujarati business calendar | Practical commerce focused |
| Gemini Libra Aquarius Air signs | Bengali calendar | Intellectual cultural richness |
| Cancer Scorpio Pisces Water signs | Tamil Malayalam Southern | Emotional depth spiritual focus |
Key insight is that while Choghadiya timings remain identical the cultural context of different regional calendars may resonate differently with your emotional nature.
Choghadiya does not require any calendar system to function. You could ignore all calendars. Simply observe each day sunrise and sunset. Divide day and night into eight parts. Get identical Choghadiya every day. This reveals the deepest principle that Choghadiya is based on observation of natural phenomena not adherence to calendar conventions.
The calendar systems Gregorian Hindu Vikram Shaka Bengali are useful organizational tools but Choghadiya would work identically with or without them.
The consistency of Choghadiya across all Indian calendar systems reveals its fundamental truth. Choghadiya is grounded in astronomy not culture. Calendar names are labels for the same astronomical reality. Sunrise and sunset are universal independent of calendar epoch. Different calendars equal different ways of counting but same day length. Choghadiya effectiveness does not depend on which calendar you use.
Whether you follow Gregorian calendar globally standard, Hindu calendar spiritually traditional, Vikram Samvat North Indian tradition, Shaka Era South Indian tradition, Bengali calendar regional identity, Tamil Panchangam Southern tradition or Jain calendar ethical timing your Choghadiya remains identical revealing that ancient Vedic wisdom transcends cultural boundaries and speaks to universal astronomical truth.
This consistency is the seal of authenticity. When a system works the same way across different frameworks you know it is aligned with objective reality not arbitrary convention. Your timing decisions can trust Choghadiya because it is based on the one thing all humans share which is the movement of Earth around the Sun creating sunrise and sunset at precise calculable moments. The universe does not speak Hindi Tamil Bengali or English. It speaks in the language of astronomy and Choghadiya is fluent.
Question One: Is Choghadiya really identical across all Indian calendars?
Yes Choghadiya is mathematically identical across all Indian calendar systems. This is because Choghadiya is based on astronomical events not calendar dates. Sunrise and sunset are universal events that occur at a specific location regardless of which calendar system you use. In Delhi on October thirty one two thousand twenty five sunrise occurs at six thirty seven AM whether you call it Gregorian Kartik Hindu or Vikram Samvat. Since Choghadiya is based on dividing day and night into eight equal parts and this division depends on physical sunrise and sunset times therefore Choghadiya calculation remains identical across all calendars. Only calendar names and date numbers change but actual time windows remain the same. This is proof of Choghadiya scientific validity and its universality.
Question Two: Which calendar system should I choose?
You can choose any calendar based on your cultural background and practical needs because Choghadiya remains identical in all. If you are working with modern international contexts use Gregorian calendar. If you are following traditional Hindu religious practices use Hindu lunar calendar. If you are in North India use Vikram Samvat. If you are in South India use Shaka Era or Tamil Panchangam. If you are in Bengal or Assam use Bengali calendar. The important thing is that once you know sunrise and sunset times for your location Choghadiya calculation is identical. Your Moon sign can also play a role. Fire signs like Aries Leo Sagittarius may resonate well with North Indian traditions. Earth signs like Taurus Virgo Capricorn may prefer Gujarati practical approach. Air signs like Gemini Libra Aquarius may enjoy Bengali intellectual tradition. Water signs like Cancer Scorpio Pisces may connect with Southern spiritual focus.
Question Three: Are Choghadiya names different in different calendars?
Yes there are some regional variations but the core seven types remain the same. In North India and Gujarat standard names are Amrit Shubh Labh Chal Udveg Rog and Kaal. In South India especially Tamil Nadu and Karnataka Gowri Panchangam system is used which has similar concepts but different names like Amirdha Kalam Uthama Kalam and Madhya Kalam. Tamil tradition also emphasizes Nalla Neram auspicious time and inauspicious windows like Rahu Kaalam and Yamagandam. In Marathi and Kannada names are Subha Amrita Madhya Roga Kaal and Udvigna. Jain tradition uses standard North Indian names but with ethical and spiritual interpretation. However while names may differ the underlying principle remains the same. Each region divides day and night into eight parts. Each part is assigned a planetary energy. Each part is classified as auspicious neutral or inauspicious. Mathematical calculation remains identical.
Question Four: What is the difference between South Indian Rahu Kaalam and Choghadiya?
Rahu Kaalam and Choghadiya are two different but complementary timing systems. Choghadiya divides the entire day and night into sixteen parts with eight day and eight night. It identifies both auspicious and inauspicious times. Rahu Kaalam is specifically one ninety minute inauspicious window each day that should be avoided for new undertakings. Rahu Kaalam time is different for each weekday. Sunday from four thirty to six PM. Monday from seven thirty to nine AM. Tuesday from three to four thirty PM. Wednesday from twelve to one thirty PM. Thursday from ten thirty to twelve PM. Friday from nine to ten thirty AM. Saturday from six to seven thirty AM. In South India people often use both systems. They use Choghadiya or Gowri Panchangam to find auspicious times. They avoid Rahu Kaalam Yamagandam and Gulika Kaalam. Practically if you are in South India consult both systems. First avoid inauspicious windows like Rahu Kaalam. Then choose auspicious Choghadiya or Nalla Neram within remaining time.
Question Five: Can I use online calculators for Choghadiya?
Yes many reliable online calculators are available that provide daily Choghadiya times for your specific location. Popular websites include Drik Panchang AstroSage and Astroyogi. These calculators automatically compute Choghadiya based on accurate sunrise and sunset times for your city. Most calculators show both day and night Choghadiyas. They color code each Choghadiya as auspicious neutral or inauspicious. Some calculators allow you to choose your preferred calendar system such as Hindu Vikram Samvat or Gregorian. However remember that regardless of which calendar you choose Choghadiya times will remain the same. Mobile apps are also available that provide daily Choghadiya notifications. Some apps allow you to find best Choghadiya for specific activities like travel business or marriage. When using online tools make sure you enter your correct location because sunrise and sunset times vary based on geographic position. Even fifty kilometers distance can create five to ten minutes difference which affects your Choghadiya timing.
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