Dwitiya (द्वितीया) dates and timings in Perth for 1961
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 | 3 Jan 1961, 9:38 am GMT+8 | 4 Jan 1961, 12:17 pm GMT+8 | 26 hr 40 min | Yes |
| 2 | 2 Feb 1961, 5:19 am GMT+8 | 3 Feb 1961, 7:41 am GMT+8 | 26 hr 22 min | Yes |
| 3 | 3 Mar 1961, 11:16 pm GMT+8 | 5 Mar 1961, 12:32 am GMT+8 | 25 hr 16 min | Yes |
| 4 | 2 Apr 1961, 2:02 pm GMT+8 | 3 Apr 1961, 1:49 pm GMT+8 | 23 hr 46 min | Yes |
| 5 | 2 May 1961, 1:24 am GMT+8 | 2 May 1961, 11:44 pm GMT+8 | 22 hr 20 min | No |
| 6 | 31 May 1961, 10:05 am GMT+8 | 1 Jun 1961, 7:18 am GMT+8 | 21 hr 14 min | Yes |
| 7 | 29 Jun 1961, 5:15 pm GMT+8 | 30 Jun 1961, 1:49 pm GMT+8 | 20 hr 34 min | Yes |
| 8 | 29 Jul 1961, 12:04 am GMT+8 | 29 Jul 1961, 8:25 pm GMT+8 | 20 hr 20 min | No |
| 9 | 27 Aug 1961, 7:31 am GMT+8 | 28 Aug 1961, 4:02 am GMT+8 | 20 hr 32 min | Yes |
| 10 | 25 Sept 1961, 4:20 pm GMT+8 | 26 Sept 1961, 1:30 pm GMT+8 | 21 hr 10 min | Yes |
| 11 | 25 Oct 1961, 3:15 am GMT+8 | 26 Oct 1961, 1:30 am GMT+8 | 22 hr 16 min | Yes |
| 12 | 23 Nov 1961, 4:51 pm GMT+8 | 24 Nov 1961, 4:35 pm GMT+8 | 23 hr 44 min | Yes |
| 13 | 23 Dec 1961, 9:24 am GMT+8 | 24 Dec 1961, 10:41 am GMT+8 | 25 hr 17 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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