Trayodashi (त्रयोदशी) dates and timings in Auckland for 1931
Verified astronomical start and end times for lunar day 13 in Auckland, shown in Pacific/Auckland.
13 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 2 Jan 1931, 7:27 am GMT+12 | 3 Jan 1931, 6:00 am GMT+12 | 22 hr 33 min | Yes |
| 2 | 31 Jan 1931, 9:51 pm GMT+12 | 1 Feb 1931, 7:10 pm GMT+12 | 21 hr 19 min | Yes |
| 3 | 2 Mar 1931, 9:29 am GMT+12 | 3 Mar 1931, 6:07 am GMT+12 | 20 hr 38 min | Yes |
| 4 | 31 Mar 1931, 6:15 pm GMT+11:30 | 1 Apr 1931, 2:46 pm GMT+11:30 | 20 hr 32 min | Yes |
| 5 | 30 Apr 1931, 1:50 am GMT+11:30 | 30 Apr 1931, 10:43 pm GMT+11:30 | 20 hr 54 min | No |
| 6 | 29 May 1931, 8:33 am GMT+11:30 | 30 May 1931, 6:10 am GMT+11:30 | 21 hr 37 min | Yes |
| 7 | 27 Jun 1931, 3:24 pm GMT+11:30 | 28 Jun 1931, 2:00 pm GMT+11:30 | 22 hr 37 min | Yes |
| 8 | 26 Jul 1931, 11:31 pm GMT+11:30 | 27 Jul 1931, 11:20 pm GMT+11:30 | 23 hr 49 min | Yes |
| 9 | 25 Aug 1931, 10:06 am GMT+11:30 | 26 Aug 1931, 11:12 am GMT+11:30 | 25 hr 6 min | Yes |
| 10 | 24 Sept 1931, 12:00 am GMT+11:30 | 25 Sept 1931, 2:12 am GMT+11:30 | 26 hr 12 min | Yes |
| 11 | 23 Oct 1931, 5:48 pm GMT+12 | 24 Oct 1931, 8:30 pm GMT+12 | 26 hr 42 min | Yes |
| 12 | 22 Nov 1931, 1:27 pm GMT+12 | 23 Nov 1931, 3:47 pm GMT+12 | 26 hr 20 min | Yes |
| 13 | 22 Dec 1931, 9:32 am GMT+12 | 23 Dec 1931, 10:45 am GMT+12 | 25 hr 13 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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