Rahu 

Rahu Kalam is a period of time in Hindu astrology that is considered inauspicious for starting important activities. It is associated with “Rahu,” one of the nine celestial influences (Navagrahas) in Vedic astrology.
During Rahu Kalam, people traditionally avoid beginning new ventures such as:
Weddings
Business deals
Traveling
Signing important documents
Religious ceremonies
However, routine daily activities can still be carried out as usual.
Important Facts About Rahu Kalam
It occurs every day.
The timing changes depending on the day of the week and sunrise time.
The duration is approximately 1 hour and 30 minutes.
It is mainly followed in India and Sri Lanka by people who believe in Vedic astrology.
Traditional Rahu Kalam Timings
(Approximate daytime schedule)
Day
Rahu Kalam Time
Monday
7:30 AM – 9:00 AM
Tuesday
3:00 PM – 4:30 PM
Wednesday
12:00 PM – 1:30 PM
Thursday
1:30 PM – 3:00 PM
Friday
10:30 AM – 12:00 PM
Saturday
9:00 AM – 10:30 AM
Sunday
4:30 PM – 6:00 PM