Pratipada (प्रतिपदा) dates and timings in Perth for 1977
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 | 19 Jan 1977, 10:11 pm GMT+8 | 20 Jan 1977, 8:21 pm GMT+8 | 22 hr 11 min | Yes |
| 2 | 18 Feb 1977, 11:36 am GMT+8 | 19 Feb 1977, 11:18 am GMT+8 | 23 hr 42 min | Yes |
| 3 | 20 Mar 1977, 2:32 am GMT+8 | 21 Mar 1977, 3:44 am GMT+8 | 25 hr 12 min | Yes |
| 4 | 18 Apr 1977, 6:35 pm GMT+8 | 19 Apr 1977, 8:49 pm GMT+8 | 26 hr 15 min | Yes |
| 5 | 18 May 1977, 10:51 am GMT+8 | 19 May 1977, 1:23 pm GMT+8 | 26 hr 32 min | Yes |
| 6 | 17 Jun 1977, 2:22 am GMT+8 | 18 Jun 1977, 4:28 am GMT+8 | 26 hr 6 min | Yes |
| 7 | 16 Jul 1977, 4:36 pm GMT+8 | 17 Jul 1977, 5:46 pm GMT+8 | 25 hr 10 min | Yes |
| 8 | 15 Aug 1977, 5:31 am GMT+8 | 16 Aug 1977, 5:28 am GMT+8 | 23 hr 58 min | Yes |
| 9 | 13 Sept 1977, 5:22 pm GMT+8 | 14 Sept 1977, 4:02 pm GMT+8 | 22 hr 40 min | Yes |
| 10 | 13 Oct 1977, 4:30 am GMT+8 | 14 Oct 1977, 1:57 am GMT+8 | 21 hr 27 min | Yes |
| 11 | 11 Nov 1977, 3:09 pm GMT+8 | 12 Nov 1977, 11:40 am GMT+8 | 20 hr 31 min | Yes |
| 12 | 11 Dec 1977, 1:32 am GMT+8 | 11 Dec 1977, 9:38 pm GMT+8 | 20 hr 5 min | No |
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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