Pratipada (प्रतिपदा) dates and timings in Perth for 1975
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 | 12 Jan 1975, 7:19 pm GMT+9 | 13 Jan 1975, 9:25 pm GMT+9 | 26 hr 6 min | Yes |
| 2 | 11 Feb 1975, 2:16 pm GMT+9 | 12 Feb 1975, 4:48 pm GMT+9 | 26 hr 31 min | Yes |
| 3 | 13 Mar 1975, 7:47 am GMT+8 | 14 Mar 1975, 10:03 am GMT+8 | 26 hr 16 min | Yes |
| 4 | 12 Apr 1975, 12:38 am GMT+8 | 13 Apr 1975, 2:02 am GMT+8 | 25 hr 24 min | Yes |
| 5 | 11 May 1975, 3:04 pm GMT+8 | 12 May 1975, 3:11 pm GMT+8 | 24 hr 7 min | Yes |
| 6 | 10 Jun 1975, 2:49 am GMT+8 | 11 Jun 1975, 1:28 am GMT+8 | 22 hr 40 min | Yes |
| 7 | 9 Jul 1975, 12:10 pm GMT+8 | 10 Jul 1975, 9:31 am GMT+8 | 21 hr 21 min | Yes |
| 8 | 7 Aug 1975, 7:57 pm GMT+8 | 8 Aug 1975, 4:24 pm GMT+8 | 20 hr 27 min | Yes |
| 9 | 6 Sept 1975, 3:18 am GMT+8 | 6 Sept 1975, 11:24 pm GMT+8 | 20 hr 6 min | No |
| 10 | 5 Oct 1975, 11:23 am GMT+8 | 6 Oct 1975, 7:43 am GMT+8 | 20 hr 20 min | Yes |
| 11 | 3 Nov 1975, 9:04 pm GMT+8 | 4 Nov 1975, 6:09 pm GMT+8 | 21 hr 5 min | Yes |
| 12 | 3 Dec 1975, 8:50 am GMT+8 | 4 Dec 1975, 7:02 am GMT+8 | 22 hr 13 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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