Dwitiya (द्वितीया) dates and timings in Perth for 1920
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 1920, 1:50 am GMT+8 | 7 Jan 1920, 10:58 pm GMT+8 | 21 hr 8 min | No |
| 2 | 5 Feb 1920, 2:28 pm GMT+8 | 6 Feb 1920, 12:46 pm GMT+8 | 22 hr 18 min | Yes |
| 3 | 6 Mar 1920, 4:24 am GMT+8 | 7 Mar 1920, 4:12 am GMT+8 | 23 hr 49 min | Yes |
| 4 | 4 Apr 1920, 7:37 pm GMT+8 | 5 Apr 1920, 8:54 pm GMT+8 | 25 hr 16 min | Yes |
| 5 | 4 May 1920, 11:42 am GMT+8 | 5 May 1920, 1:56 pm GMT+8 | 26 hr 14 min | Yes |
| 6 | 3 Jun 1920, 3:45 am GMT+8 | 4 Jun 1920, 6:13 am GMT+8 | 26 hr 28 min | Yes |
| 7 | 2 Jul 1920, 6:56 pm GMT+8 | 3 Jul 1920, 8:58 pm GMT+8 | 26 hr 2 min | Yes |
| 8 | 1 Aug 1920, 8:48 am GMT+8 | 2 Aug 1920, 9:56 am GMT+8 | 25 hr 8 min | Yes |
| 9 | 30 Aug 1920, 9:24 pm GMT+8 | 31 Aug 1920, 9:22 pm GMT+8 | 23 hr 58 min | Yes |
| 10 | 29 Sept 1920, 9:00 am GMT+8 | 30 Sept 1920, 7:42 am GMT+8 | 22 hr 42 min | Yes |
| 11 | 28 Oct 1920, 7:55 pm GMT+8 | 29 Oct 1920, 5:25 pm GMT+8 | 21 hr 30 min | Yes |
| 12 | 27 Nov 1920, 6:25 am GMT+8 | 28 Nov 1920, 3:00 am GMT+8 | 20 hr 35 min | Yes |
| 13 | 26 Dec 1920, 4:45 pm GMT+8 | 27 Dec 1920, 12:56 pm GMT+8 | 20 hr 11 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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