Dwitiya (द्वितीया) dates and timings in Perth for 1957
Verified astronomical start and end times for lunar day 17 in Perth, shown in Australia/Perth.
12 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 17 Jan 1957, 10:32 am GMT+8 | 18 Jan 1957, 6:44 am GMT+8 | 20 hr 12 min | Yes |
| 2 | 15 Feb 1957, 8:43 pm GMT+8 | 16 Feb 1957, 5:04 pm GMT+8 | 20 hr 21 min | Yes |
| 3 | 17 Mar 1957, 7:01 am GMT+8 | 18 Mar 1957, 4:07 am GMT+8 | 21 hr 6 min | Yes |
| 4 | 15 Apr 1957, 5:53 pm GMT+8 | 16 Apr 1957, 4:10 pm GMT+8 | 22 hr 17 min | Yes |
| 5 | 15 May 1957, 5:37 am GMT+8 | 16 May 1957, 5:14 am GMT+8 | 23 hr 37 min | Yes |
| 6 | 13 Jun 1957, 6:24 pm GMT+8 | 14 Jun 1957, 7:16 pm GMT+8 | 24 hr 52 min | Yes |
| 7 | 13 Jul 1957, 8:19 am GMT+8 | 14 Jul 1957, 10:10 am GMT+8 | 25 hr 51 min | Yes |
| 8 | 11 Aug 1957, 11:22 pm GMT+8 | 13 Aug 1957, 1:46 am GMT+8 | 26 hr 24 min | Yes |
| 9 | 10 Sept 1957, 3:21 pm GMT+8 | 11 Sept 1957, 5:42 pm GMT+8 | 26 hr 21 min | Yes |
| 10 | 10 Oct 1957, 7:38 am GMT+8 | 11 Oct 1957, 9:15 am GMT+8 | 25 hr 37 min | Yes |
| 11 | 8 Nov 1957, 11:18 pm GMT+8 | 9 Nov 1957, 11:37 pm GMT+8 | 24 hr 18 min | Yes |
| 12 | 8 Dec 1957, 1:29 pm GMT+8 | 9 Dec 1957, 12:16 pm GMT+8 | 22 hr 47 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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