Pratipada (प्रतिपदा) dates and timings in Perth for 1923
Verified astronomical start and end times for lunar day 1 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 1923, 10:40 am GMT+8 | 18 Jan 1923, 10:49 am GMT+8 | 24 hr 9 min | Yes |
| 2 | 16 Feb 1923, 3:07 am GMT+8 | 17 Feb 1923, 4:44 am GMT+8 | 25 hr 37 min | Yes |
| 3 | 17 Mar 1923, 8:51 pm GMT+8 | 18 Mar 1923, 11:20 pm GMT+8 | 26 hr 30 min | Yes |
| 4 | 16 Apr 1923, 2:28 pm GMT+8 | 17 Apr 1923, 4:59 pm GMT+8 | 26 hr 32 min | Yes |
| 5 | 16 May 1923, 6:38 am GMT+8 | 17 May 1923, 8:28 am GMT+8 | 25 hr 50 min | Yes |
| 6 | 14 Jun 1923, 8:41 pm GMT+8 | 15 Jun 1923, 9:24 pm GMT+8 | 24 hr 43 min | Yes |
| 7 | 14 Jul 1923, 8:44 am GMT+8 | 15 Jul 1923, 8:11 am GMT+8 | 23 hr 27 min | Yes |
| 8 | 12 Aug 1923, 7:16 pm GMT+8 | 13 Aug 1923, 5:28 pm GMT+8 | 22 hr 12 min | Yes |
| 9 | 11 Sept 1923, 4:52 am GMT+8 | 12 Sept 1923, 1:58 am GMT+8 | 21 hr 6 min | Yes |
| 10 | 10 Oct 1923, 2:05 pm GMT+8 | 11 Oct 1923, 10:26 am GMT+8 | 20 hr 21 min | Yes |
| 11 | 8 Nov 1923, 11:26 pm GMT+8 | 9 Nov 1923, 7:32 pm GMT+8 | 20 hr 6 min | Yes |
| 12 | 8 Dec 1923, 9:30 am GMT+8 | 9 Dec 1923, 5:59 am GMT+8 | 20 hr 29 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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