Rahu Kalam Today: How to Calculate and Avoid Its Effects

Rahu Kalam Today, How to Calculate It and What to Avoid

Rahu Kalam (also spelled Rahu Kaal or Rahu Kala) is the 1.5-hour daily window in Vedic astrology considered inauspicious for starting new ventures. It is calculated by dividing the duration between local sunrise and sunset into eight equal parts; the specific part that becomes Rahu Kalam depends on the day of the week. On a standard 6:00 AM to 6:00 PM day, each part is 90 minutes. Each city has its own Rahu Kalam window because sunrise time varies, across India east-to-west the same calendar day’s Rahu Kalam can shift by 30+ minutes.

How Rahu Kalam is calculated

1. Find local sunrise and sunset times for the date (use a panchang or astronomy source).
2. Calculate total daytime duration (sunset − sunrise).
3. Divide by 8. This is the length of one Rahu Kalam segment.
4. The day of the week determines which segment from sunrise is Rahu Kalam.

The day-of-week to segment mapping (slot number after sunrise, where segment 1 is the first 1/8 of the day):

A common memory aid: “On Friday, Saturday and Monday, Rahu Kalam is in the morning; on Wednesday and Thursday in the afternoon; on Sunday in the evening; on Tuesday in the late afternoon.”

What to avoid during Rahu Kalam

Classical Vedic astrology suggests avoiding the following during Rahu Kalam:

• Starting new business ventures or signing contracts
• Marriage ceremonies and engagement rituals
• Beginning long journeys (especially auspicious or religious travel)
• Making large purchases (vehicle, property, jewellery)
• Inauguration of new shops, factories, homes
• Vedic homas and major poojas (unless specifically for Rahu)
• Starting medication courses or surgeries (where elective)

Daily routine activities, eating, working, studying, exercising, are not affected. The avoidance rule applies to the formal “beginning” of important new endeavours, not to ongoing activity.

What you can do during Rahu Kalam

• Rahu remedies: light a Rahu mantra (Om Bhraam Bhreem Bhroum Sah Rahave Namah) recitation
• Donate to charities focused on Rahu remedies (urad dal, blue clothes, sesame oil)
• Pray at temples associated with Rahu (Srikalahasti is the principal Rahu-Ketu remedy temple)
• Recite Hanuman Chalisa, Hanuman is considered protective during Rahu Kalam
• Continue ongoing work that began before the Rahu Kalam window

Yamagandam and Gulika Kalam, the related inauspicious windows

Two related daily inauspicious windows are often calculated alongside Rahu Kalam:

• Yamagandam, another 1.5-hour segment governed by Yama, similar avoidance rules
• Gulika Kalam, a third inauspicious segment associated with the son of Saturn

The day-of-week segments differ for each. Many devotees note all three windows when planning a major event so the inauguration falls outside all of them.

City-specific Rahu Kalam

Sunrise and sunset times vary by latitude and longitude. For Indian cities, typical Rahu Kalam on a sample Tuesday (Tuesday = 7th segment):

• Delhi: approximately 3:00 PM – 4:30 PM
• Mumbai: approximately 3:15 PM – 4:45 PM
• Bengaluru: approximately 3:00 PM – 4:30 PM
• Kolkata: approximately 2:30 PM – 4:00 PM (earlier sunrise / sunset)
• Chennai: approximately 3:00 PM – 4:30 PM
• Hyderabad: approximately 3:00 PM – 4:30 PM
• Tirupati: approximately 3:00 PM – 4:30 PM

These are illustrative for a standard equinox day. Actual times for your date and city are best checked on a panchang for the specific day.

Rahu Kalam at Tirumala temple events

TTD does not formally suspend any temple activity during Rahu Kalam, the temple operates on its own daily ritual cycle (Suprabhata Seva at 3 AM, etc.). Devotees who want to align personal events at Tirumala (marriage at Kalyana Vedika, vow-fulfilment ceremonies) often consult a panchang to choose a slot outside Rahu Kalam for their specific date.

The Tirupati region’s main Rahu remedy temple is Sri Kalahasti, located approximately 35 km from Tirupati. The Rahu-Ketu Pooja at Sri Kalahasti is the most-sought pooja in the area specifically because of its connection to Rahu remediation.

Common questions

Should I cancel my entire day’s plans if it falls during Rahu Kalam? No. The classical rule applies to the formal “beginning” of important new initiatives, not to continuing day-to-day life. Avoid signing the contract; the lunch meeting before signing is fine.

Does Rahu Kalam apply at night? No. The standard Rahu Kalam is calculated for daytime hours (sunrise to sunset) only. Night has its own Rahu segment but is rarely invoked for practical decisions.

What if my city’s sunrise is later than 6 AM (say 7 AM)? Use the actual sunrise. If sunrise is 7 AM and sunset 6 PM, daytime is 11 hours / 8 = 82.5 minutes per segment. Recalculate from actual times.

Is Rahu Kalam the same on every Tuesday year-round? The day-of-week segment number is fixed (Tuesday = 7th), but the absolute clock time shifts with seasonal sunrise / sunset changes. June Tuesday Rahu Kalam falls later than December Tuesday Rahu Kalam.

Where does Rahu Kalam come from in scripture? The concept appears in classical Vedic astrology texts including the Brihat Parashara Hora Shastra. It is not from the Vedas themselves but from later astrological literature compiled over centuries.

For today’s exact Rahu Kalam for your city, check any reliable panchang publication or astronomy-based calculator. For pooja remedies during Rahu Kalam, the Sri Kalahasti Temple near Tirupati is the principal Rahu-Ketu remedy destination in South India.

Related Articles

• Rahu Kalam, Yamagandam, Kuligai
• Tirumala History & Venkateswara Story
• 10 Tirumala Places to Visit
• Tirumala Theerthams (9 Sacred Pools)