Pratipada (प्रतिपदा) dates and timings in Delhi for 1981
Verified astronomical start and end times for lunar day 1 in Delhi, shown in Asia/Kolkata.
13 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 6 Jan 1981, 12:54 pm IST | 7 Jan 1981, 12:44 pm IST | 23 hr 50 min | Yes |
| 2 | 5 Feb 1981, 3:43 am IST | 6 Feb 1981, 2:05 am IST | 22 hr 22 min | Yes |
| 3 | 6 Mar 1981, 4:01 pm IST | 7 Mar 1981, 1:06 pm IST | 21 hr 5 min | Yes |
| 4 | 5 Apr 1981, 1:49 am IST | 5 Apr 1981, 10:06 pm IST | 20 hr 17 min | No |
| 5 | 4 May 1981, 9:49 am IST | 5 May 1981, 5:53 am IST | 20 hr 4 min | Yes |
| 6 | 2 Jun 1981, 5:01 pm IST | 3 Jun 1981, 1:30 pm IST | 20 hr 28 min | Yes |
| 7 | 2 Jul 1981, 12:33 am IST | 2 Jul 1981, 9:54 pm IST | 21 hr 22 min | No |
| 8 | 31 Jul 1981, 9:21 am IST | 1 Aug 1981, 7:55 am IST | 22 hr 34 min | Yes |
| 9 | 29 Aug 1981, 8:13 pm IST | 30 Aug 1981, 8:07 pm IST | 23 hr 54 min | Yes |
| 10 | 28 Sept 1981, 9:37 am IST | 29 Sept 1981, 10:47 am IST | 25 hr 11 min | Yes |
| 11 | 28 Oct 1981, 1:43 am IST | 29 Oct 1981, 3:54 am IST | 26 hr 11 min | Yes |
| 12 | 26 Nov 1981, 8:08 pm IST | 27 Nov 1981, 10:46 pm IST | 26 hr 38 min | Yes |
| 13 | 26 Dec 1981, 3:40 pm IST | 27 Dec 1981, 5:56 pm IST | 26 hr 17 min | Yes |
How these timings are calculated
BDA calculates the geocentric angular separation of the Moon and Sun and divides the full cycle into 30 equal 12-degree Tithi sectors. UTC boundaries are converted to the timezone resolved from the listed city coordinates.
Scope: These are astronomical Tithi spans only. This page does not choose a festival, Vrat, Parana, or Muhurta date. Those decisions require their separately certified sunrise-prevalence and observance rules.
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