Pratipada (प्रतिपदा) dates and timings in Perth for 1977
Verified astronomical start and end times for lunar day 16 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 | 5 Jan 1977, 8:10 pm GMT+8 | 6 Jan 1977, 8:47 pm GMT+8 | 24 hr 37 min | Yes |
| 2 | 4 Feb 1977, 11:56 am GMT+8 | 5 Feb 1977, 11:06 am GMT+8 | 23 hr 10 min | Yes |
| 3 | 6 Mar 1977, 1:13 am GMT+8 | 6 Mar 1977, 11:05 pm GMT+8 | 21 hr 53 min | No |
| 4 | 4 Apr 1977, 12:08 pm GMT+8 | 5 Apr 1977, 9:01 am GMT+8 | 20 hr 53 min | Yes |
| 5 | 3 May 1977, 9:03 pm GMT+8 | 4 May 1977, 5:19 pm GMT+8 | 20 hr 16 min | Yes |
| 6 | 2 Jun 1977, 4:30 am GMT+8 | 3 Jun 1977, 12:39 am GMT+8 | 20 hr 8 min | Yes |
| 7 | 1 Jul 1977, 11:24 am GMT+8 | 2 Jul 1977, 7:56 am GMT+8 | 20 hr 33 min | Yes |
| 8 | 30 Jul 1977, 6:52 pm GMT+8 | 31 Jul 1977, 4:21 pm GMT+8 | 21 hr 29 min | Yes |
| 9 | 29 Aug 1977, 4:10 am GMT+8 | 30 Aug 1977, 3:01 am GMT+8 | 22 hr 52 min | Yes |
| 10 | 27 Sept 1977, 4:17 pm GMT+8 | 28 Sept 1977, 4:40 pm GMT+8 | 24 hr 23 min | Yes |
| 11 | 27 Oct 1977, 7:35 am GMT+8 | 28 Oct 1977, 9:16 am GMT+8 | 25 hr 41 min | Yes |
| 12 | 26 Nov 1977, 1:31 am GMT+8 | 27 Nov 1977, 3:56 am GMT+8 | 26 hr 26 min | Yes |
| 13 | 25 Dec 1977, 8:49 pm GMT+8 | 26 Dec 1977, 11:16 pm GMT+8 | 26 hr 27 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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