Yamaganda Kalam is one of the three daily inauspicious time windows in Vedic astrology (alongside Rahu Kalam and Gulika Kalam). It runs for roughly 90 minutes, computed by dividing daylight into eight equal segments and assigning one specific segment per weekday. The name “Yamaganda” derives from Yama, the deity of death, and the period is traditionally treated as unfavourable for starting new activities. Yamaganda’s duration changes daily because sunrise and sunset shift through the year, and it differs by city because local sunrise differs.
The weekday assignments
Daylight (sunrise to sunset) is divided into 8 equal segments. Yamaganda falls in:
- Sunday: 5th segment
- Monday: 4th segment
- Tuesday: 3rd segment
- Wednesday: 2nd segment
- Thursday: 1st segment
- Friday: 7th segment
- Saturday: 6th segment
Note that Thursday’s Yamaganda falls in the 1st segment (immediately after sunrise), while Rahu Kalam never falls in the 1st segment. This is why Thursday morning, right after sunrise, is the one weekday window when traditional families specifically avoid starting major activities.
A worked calculation
Take a Friday where local sunrise is 06:12 and sunset is 18:48. Daylight is 12 hours 36 minutes (756 minutes). Each segment is 94.5 minutes. The 7th segment runs from sunrise plus six segments (sunrise + 567 minutes = 15:39) to sunrise plus seven segments (17:13). So that Friday’s Yamaganda Kalam is from approximately 15:39 to 17:13.
For what it’s worth, Yamaganda is the least observed of the three Kalams in modern North Indian practice and the most observed in Tamil Nadu and Kerala traditional households, where the daily Panchang printed in regional newspapers always lists Rahu, Yamaganda, and Gulika side by side.
What Yamaganda is avoided for
- Starting any new venture or business deal
- Signing contracts, especially financial agreements
- Beginning long-distance travel
- Vehicle, property, or jewellery purchase
- Court appearances when the time can be chosen
- Auspicious ceremonies and ritual beginnings
Routine work, ongoing commitments, eating, sleeping, and travel that has already started are not restricted. Traditional practice distinguishes between “starting” and “continuing”; only the start of a new activity is treated as binding.
Yamaganda alongside Rahu and Gulika
Across the seven weekdays, the three Kalams cover ten of the eight segments (since some segments are occupied on multiple weekdays by different Kalams). The full grid:
- Sunday: Rahu 8th, Yamaganda 5th, Gulika 7th
- Monday: Rahu 2nd, Yamaganda 4th, Gulika 6th
- Tuesday: Rahu 7th, Yamaganda 3rd, Gulika 5th
- Wednesday: Rahu 5th, Yamaganda 2nd, Gulika 4th
- Thursday: Rahu 6th, Yamaganda 1st, Gulika 3rd
- Friday: Rahu 4th, Yamaganda 7th, Gulika 2nd
- Saturday: Rahu 3rd, Yamaganda 6th, Gulika 1st
The three Kalams never occupy the same segment on the same day. On any given weekday, three of the eight segments (three times 90 minutes, just over four and a half hours of daylight) are categorised as inauspicious by the three Kalams together. The remaining five segments are open for new starts, with further screening from tithi, nakshatra, and Choghadiya considerations.
Common questions
Is Yamaganda more or less serious than Rahu Kalam?
Traditional weight given to Rahu Kalam is generally greater than to Yamaganda in most regional practices. North Indian families that observe Rahu Kalam strictly often treat Yamaganda as secondary. South Indian traditions, especially in Tamil Nadu, observe both with comparable strictness. Thursday Yamaganda (the 1st segment, right after sunrise) is the one slot where Yamaganda is more strictly avoided than the equivalent Rahu Kalam slot on other days.
Can Yamaganda Kalam be used for any ritual?
For starting new auspicious ceremonies, generally no. For shanti (peace-making) rituals, certain remedial poojas to Yama, and ancestor-related (pitru) rites, Yamaganda is not considered inauspicious. Some traditions specifically prescribe Yamaganda for the recitation of the Yama Sukta and for Tarpana on certain new moon days.
What if an unavoidable appointment falls in Yamaganda?
Traditional practice allows two paths: symbolically start the activity a few minutes before Yamaganda begins (the meaningful start is then logged as outside the Kalam), or perform a brief remedial recitation (the Maha Mrityunjaya mantra is widely cited) before stepping in. Routine work commitments inside an already-running job are not restricted.
A limitation worth noting
Jyotisha prescribes Yamaganda observance from classical authority, not from any empirical measurement of outcomes. The eight-segment astronomical calculation is precise; the assignment of specific segments to specific weekdays as malefic follows codified tradition. Regional and family practice varies on how strictly Yamaganda is enforced, which is why local custom and the family priest’s interpretation tend to govern actual observance.
For daily Yamaganda timings see Drik Panchang. For the broader Panchang context see Panchangam on Wikipedia.
