Trayodashi (त्रयोदशी) dates and timings in Delhi for 1987
Verified astronomical start and end times for lunar day 13 in Delhi, shown in Asia/Kolkata.
12 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 12 Jan 1987, 12:28 am IST | 13 Jan 1987, 3:03 am IST | 26 hr 35 min | Yes |
| 2 | 10 Feb 1987, 8:25 pm IST | 11 Feb 1987, 10:44 pm IST | 26 hr 19 min | Yes |
| 3 | 12 Mar 1987, 3:47 pm IST | 13 Mar 1987, 5:15 pm IST | 25 hr 29 min | Yes |
| 4 | 11 Apr 1987, 9:10 am IST | 12 Apr 1987, 9:24 am IST | 24 hr 14 min | Yes |
| 5 | 10 May 1987, 11:41 pm IST | 11 May 1987, 10:32 pm IST | 22 hr 51 min | Yes |
| 6 | 9 Jun 1987, 11:08 am IST | 10 Jun 1987, 8:43 am IST | 21 hr 35 min | Yes |
| 7 | 8 Jul 1987, 7:56 pm IST | 9 Jul 1987, 4:39 pm IST | 20 hr 43 min | Yes |
| 8 | 7 Aug 1987, 3:03 am IST | 7 Aug 1987, 11:26 pm IST | 20 hr 23 min | No |
| 9 | 5 Sept 1987, 9:40 am IST | 6 Sept 1987, 6:17 am IST | 20 hr 37 min | Yes |
| 10 | 4 Oct 1987, 4:56 pm IST | 5 Oct 1987, 2:19 pm IST | 21 hr 22 min | Yes |
| 11 | 3 Nov 1987, 1:51 am IST | 4 Nov 1987, 12:20 am IST | 22 hr 29 min | Yes |
| 12 | 2 Dec 1987, 1:04 pm IST | 3 Dec 1987, 12:50 pm IST | 23 hr 46 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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