Trayodashi (त्रयोदशी) dates and timings in Delhi for 1973
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 | 16 Jan 1973, 11:53 am IST | 17 Jan 1973, 8:49 am IST | 20 hr 57 min | Yes |
| 2 | 14 Feb 1973, 9:34 pm IST | 15 Feb 1973, 7:21 pm IST | 21 hr 47 min | Yes |
| 3 | 16 Mar 1973, 7:23 am IST | 17 Mar 1973, 6:16 am IST | 22 hr 53 min | Yes |
| 4 | 14 Apr 1973, 5:51 pm IST | 15 Apr 1973, 5:56 pm IST | 24 hr 5 min | Yes |
| 5 | 14 May 1973, 5:32 am IST | 15 May 1973, 6:48 am IST | 25 hr 16 min | Yes |
| 6 | 12 Jun 1973, 6:55 pm IST | 13 Jun 1973, 9:07 pm IST | 26 hr 11 min | Yes |
| 7 | 12 Jul 1973, 10:04 am IST | 13 Jul 1973, 12:38 pm IST | 26 hr 34 min | Yes |
| 8 | 11 Aug 1973, 2:26 am IST | 12 Aug 1973, 4:38 am IST | 26 hr 12 min | Yes |
| 9 | 9 Sept 1973, 7:08 pm IST | 10 Sept 1973, 8:17 pm IST | 25 hr 9 min | Yes |
| 10 | 9 Oct 1973, 11:15 am IST | 10 Oct 1973, 11:01 am IST | 23 hr 45 min | Yes |
| 11 | 8 Nov 1973, 2:21 am IST | 9 Nov 1973, 12:45 am IST | 22 hr 25 min | Yes |
| 12 | 7 Dec 1973, 4:13 pm IST | 8 Dec 1973, 1:35 pm IST | 21 hr 23 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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