Rahukalam (Rahu Kaal) | Calculate Rahukalam | Rahukalam Calculation Method in Indian Astrology

Rahu Kaal & Method to Calculate Rahu Kalam (Rahu Kaal)

In Indian Astrology, each day of the week has been assigned its respective ruling planet viz. Monday is ruled by Moon, Tuesday by Mars etc. However, Rahu and Ketu have not been given any specific day as they are treated as nodes. However, Rahu and Ketu are given one and half hours time in a day resulting three hours for Rahu and Ketu in which they can cast their malefic influence since Rahu is a natural malefic.

Rahu Kalam (Rahu Kaal) is an inauspicious period of time for a particular day. In other words, Rahu Kalam is the time during which Rahu seizes the opportunity for influence. During this time one should avoid any auspicious work like starting new business or project, buying expensive items, investments, business transactions, journeys, meetings, interviews etc. It is believed that any thing lost during Rahu Kalam is never found.

Rahu Kaal is one-eighth part of the difference between the Sunset and Sunrise time of a particular place for a specific day of the week. The reason for its 8th part is that in some Indian astrology systems, Rahu is considered to be the 8th planet.

100% FREE Rahu Kalam Calculator Software

To calculate Rahu kalam or Rahu kaal, first find the local Sun-rise time and sun-set time of the place. This can be found from a local panchang or your local newspaper. Next divide the difference between the two time periods into 8 equal parts. There is no Rahu Kalam during the first period of any weekday. In other words, it is never just after sunrise. From Monday to Sunday the period of Rahu Kaal or Rahu kalam for each week day is then calculated as described below:

On Monday Rahukalam falls on the 2nd period

Saturday 3rd period

Friday 4th period

Wednesday 5th period

Thursday 6th period

Tuesday 7th period

Sunday 8th period

Study the examples in the Table given below

Rahukalam Calculation
Week day	Example 1 Sunrise 6:00 a.m. Sunset 6:00 p.m. 1/8 of Day = 90 minutes	Example 2 Sunrise 7:00 a.m. Sunset 5:40 p.m. 1/8 of Day = 80 minutes
Sunday	4:30 p.m. to 6:00 p.m.	4:20 p.m. to 5:40 p.m.
Monday	7:30 a.m. to 9:00 a.m.	8:20 a.m. to 9:40 p.m.
Tuesday	3:00 p.m. to 4:30 p.m.	3.00 p.m. to 4:20 p.m.
Wednesday	12 noon to 1:30 p.m.	12:20 p.m. to 1:40 p.m.
Thursday	1:30 p.m. to 3:00 p.m.	1:40 p.m. to 3.00 p.m.
Friday	10:30 a.m. to 12 noon	11:00 a.m. to 12:20 p.m.
Saturday	9:00 a.m. to 10:30 a.m.	9:40 a.m. to 11:00 a.m.

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