Dwitiya (द्वितीया) dates and timings in Perth for 1963
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 | 11 Jan 1963, 6:36 am GMT+8 | 12 Jan 1963, 6:40 am GMT+8 | 24 hr 4 min | Yes |
| 2 | 9 Feb 1963, 11:47 pm GMT+8 | 11 Feb 1963, 1:10 am GMT+8 | 25 hr 23 min | Yes |
| 3 | 11 Mar 1963, 5:46 pm GMT+8 | 12 Mar 1963, 7:59 pm GMT+8 | 26 hr 13 min | Yes |
| 4 | 10 Apr 1963, 11:21 am GMT+8 | 11 Apr 1963, 1:47 pm GMT+8 | 26 hr 26 min | Yes |
| 5 | 10 May 1963, 3:37 am GMT+8 | 11 May 1963, 5:39 am GMT+8 | 26 hr 3 min | Yes |
| 6 | 8 Jun 1963, 5:58 pm GMT+8 | 9 Jun 1963, 7:04 pm GMT+8 | 25 hr 6 min | Yes |
| 7 | 8 Jul 1963, 6:09 am GMT+8 | 9 Jul 1963, 5:56 am GMT+8 | 23 hr 47 min | Yes |
| 8 | 6 Aug 1963, 4:19 pm GMT+8 | 7 Aug 1963, 2:41 pm GMT+8 | 22 hr 22 min | Yes |
| 9 | 5 Sept 1963, 1:01 am GMT+8 | 5 Sept 1963, 10:12 pm GMT+8 | 21 hr 11 min | No |
| 10 | 4 Oct 1963, 9:14 am GMT+8 | 5 Oct 1963, 5:41 am GMT+8 | 20 hr 26 min | Yes |
| 11 | 2 Nov 1963, 6:02 pm GMT+8 | 3 Nov 1963, 2:17 pm GMT+8 | 20 hr 15 min | Yes |
| 12 | 2 Dec 1963, 4:13 am GMT+8 | 3 Dec 1963, 12:50 am GMT+8 | 20 hr 37 min | Yes |
| 13 | 31 Dec 1963, 4:05 pm GMT+8 | 1 Jan 1964, 1:33 pm GMT+8 | 21 hr 28 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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