Rahukalam Calculator

Discover today's Rahukalam — the daily inauspicious time window in Vedic astrology. Plan your important activities around it with confidence using high-precision solar calculations.

NOAA Precision Location-Aware Free & Accurate

Calculate Your Rahukalam

Default: today's date. You can check any date.

Coordinates are saved locally for your convenience.

Check today's timing
Sunrise --:-- --
Sunset --:-- --
Rahukalam --:-- – --:--

This calculator uses the NOAA solar position algorithm (based on Meeus astronomical formulas) to determine precise sunrise and sunset times for your location.

The daylight period is divided into 8 equal segments. Each weekday has a designated Rahukalam segment:

  • Monday – 2nd segment (morning)
  • Tuesday – 7th segment (late afternoon)
  • Wednesday – 5th segment (early afternoon)
  • Thursday – 6th segment (afternoon)
  • Friday – 4th segment (late morning)
  • Saturday – 3rd segment (morning)
  • Sunday – 8th segment (evening)

Accuracy: ~±1 minute for latitudes between ±65°. Times reflect local timezone and DST automatically.

Calculations use NOAA solar algorithms (~±1 min accuracy). Valid for latitudes ±65°. Times reflect your local timezone & DST.

Frequently Asked Questions

Rahukalam is a daily 90-minute window considered inauspicious in Vedic astrology for starting new ventures, important decisions, or auspicious ceremonies. It's calculated based on sunrise and sunset times. Knowing Rahukalam helps you plan important activities during more favorable hours, bringing greater peace of mind.
Rahukalam is calculated by dividing the daylight period (sunrise to sunset) into 8 equal segments. Each weekday has a specific segment assigned to Rahu. Our calculator uses NOAA solar position algorithms with approximately ±1 minute accuracy for latitudes between ±65°.
Traditionally, avoid starting new ventures, signing contracts, conducting weddings or sacred ceremonies, making major purchases, or beginning long journeys during Rahukalam. Routine daily activities, ongoing work, and tasks already in progress are generally considered acceptable.
Yes, Rahukalam occurs at different times each day of the week because the 8-segment division shifts based on the weekday. The duration also changes seasonally as daylight hours lengthen or shorten throughout the year.
No, Rahukalam depends on local sunrise and sunset times, which vary by latitude, longitude, and date. This is why our calculator asks for your location coordinates to provide accurate, location-specific Rahukalam timing.

Cosmic Tip: Bookmark this page to check Rahukalam daily. Wise timing leads to smoother outcomes.