Dwitiya (द्वितीया) dates and timings in Perth for 1939
Verified astronomical start and end times for lunar day 17 in Perth, shown in Australia/Perth.
13 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 7 Jan 1939, 1:38 am GMT+8 | 7 Jan 1939, 9:50 pm GMT+8 | 20 hr 11 min | No |
| 2 | 5 Feb 1939, 12:02 pm GMT+8 | 6 Feb 1939, 8:25 am GMT+8 | 20 hr 23 min | Yes |
| 3 | 6 Mar 1939, 10:45 pm GMT+8 | 7 Mar 1939, 7:57 pm GMT+8 | 21 hr 12 min | Yes |
| 4 | 5 Apr 1939, 10:10 am GMT+8 | 6 Apr 1939, 8:36 am GMT+8 | 22 hr 26 min | Yes |
| 5 | 4 May 1939, 10:29 pm GMT+8 | 5 May 1939, 10:16 pm GMT+8 | 23 hr 47 min | Yes |
| 6 | 3 Jun 1939, 11:43 am GMT+8 | 4 Jun 1939, 12:45 pm GMT+8 | 25 hr 1 min | Yes |
| 7 | 3 Jul 1939, 1:53 am GMT+8 | 4 Jul 1939, 3:49 am GMT+8 | 25 hr 57 min | Yes |
| 8 | 1 Aug 1939, 4:53 pm GMT+8 | 2 Aug 1939, 7:18 pm GMT+8 | 26 hr 25 min | Yes |
| 9 | 31 Aug 1939, 8:32 am GMT+8 | 1 Sept 1939, 10:48 am GMT+8 | 26 hr 16 min | Yes |
| 10 | 30 Sept 1939, 12:16 am GMT+8 | 1 Oct 1939, 1:45 am GMT+8 | 25 hr 29 min | Yes |
| 11 | 29 Oct 1939, 3:19 pm GMT+8 | 30 Oct 1939, 3:28 pm GMT+8 | 24 hr 9 min | Yes |
| 12 | 28 Nov 1939, 4:59 am GMT+8 | 29 Nov 1939, 3:37 am GMT+8 | 22 hr 38 min | Yes |
| 13 | 27 Dec 1939, 5:06 pm GMT+8 | 28 Dec 1939, 2:27 pm GMT+8 | 21 hr 21 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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