Pratipada (प्रतिपदा) dates and timings in Perth for 1980
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 | 2 Jan 1980, 5:02 pm GMT+8 | 3 Jan 1980, 5:36 pm GMT+8 | 24 hr 35 min | Yes |
| 2 | 1 Feb 1980, 10:21 am GMT+8 | 2 Feb 1980, 12:17 pm GMT+8 | 25 hr 56 min | Yes |
| 3 | 2 Mar 1980, 4:59 am GMT+8 | 3 Mar 1980, 7:35 am GMT+8 | 26 hr 36 min | Yes |
| 4 | 31 Mar 1980, 11:13 pm GMT+8 | 2 Apr 1980, 1:36 am GMT+8 | 26 hr 23 min | Yes |
| 5 | 30 Apr 1980, 3:35 pm GMT+8 | 1 May 1980, 5:04 pm GMT+8 | 25 hr 29 min | Yes |
| 6 | 30 May 1980, 5:27 am GMT+8 | 31 May 1980, 5:43 am GMT+8 | 24 hr 16 min | Yes |
| 7 | 28 Jun 1980, 5:02 pm GMT+8 | 29 Jun 1980, 4:00 pm GMT+8 | 22 hr 59 min | Yes |
| 8 | 28 Jul 1980, 2:53 am GMT+8 | 29 Jul 1980, 12:39 am GMT+8 | 21 hr 46 min | Yes |
| 9 | 26 Aug 1980, 11:42 am GMT+8 | 27 Aug 1980, 8:29 am GMT+8 | 20 hr 47 min | Yes |
| 10 | 24 Sept 1980, 8:07 pm GMT+8 | 25 Sept 1980, 4:18 pm GMT+8 | 20 hr 11 min | Yes |
| 11 | 24 Oct 1980, 4:51 am GMT+8 | 25 Oct 1980, 12:58 am GMT+8 | 20 hr 7 min | Yes |
| 12 | 22 Nov 1980, 2:38 pm GMT+8 | 23 Nov 1980, 11:19 am GMT+8 | 20 hr 41 min | Yes |
| 13 | 22 Dec 1980, 2:08 am GMT+8 | 22 Dec 1980, 11:58 pm GMT+8 | 21 hr 50 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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