Pratipada (प्रतिपदा) dates and timings in Adelaide for 1981
Verified astronomical start and end times for lunar day 1 in Adelaide, shown in Australia/Adelaide.
13 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 6 Jan 1981, 5:54 pm GMT+10:30 | 7 Jan 1981, 5:44 pm GMT+10:30 | 23 hr 50 min | Yes |
| 2 | 5 Feb 1981, 8:43 am GMT+10:30 | 6 Feb 1981, 7:05 am GMT+10:30 | 22 hr 22 min | Yes |
| 3 | 6 Mar 1981, 8:01 pm GMT+9:30 | 7 Mar 1981, 5:06 pm GMT+9:30 | 21 hr 5 min | Yes |
| 4 | 5 Apr 1981, 5:49 am GMT+9:30 | 6 Apr 1981, 2:06 am GMT+9:30 | 20 hr 17 min | Yes |
| 5 | 4 May 1981, 1:49 pm GMT+9:30 | 5 May 1981, 9:53 am GMT+9:30 | 20 hr 4 min | Yes |
| 6 | 2 Jun 1981, 9:01 pm GMT+9:30 | 3 Jun 1981, 5:30 pm GMT+9:30 | 20 hr 28 min | Yes |
| 7 | 2 Jul 1981, 4:33 am GMT+9:30 | 3 Jul 1981, 1:54 am GMT+9:30 | 21 hr 22 min | Yes |
| 8 | 31 Jul 1981, 1:21 pm GMT+9:30 | 1 Aug 1981, 11:55 am GMT+9:30 | 22 hr 34 min | Yes |
| 9 | 30 Aug 1981, 12:13 am GMT+9:30 | 31 Aug 1981, 12:07 am GMT+9:30 | 23 hr 54 min | Yes |
| 10 | 28 Sept 1981, 1:37 pm GMT+9:30 | 29 Sept 1981, 2:47 pm GMT+9:30 | 25 hr 11 min | Yes |
| 11 | 28 Oct 1981, 6:43 am GMT+10:30 | 29 Oct 1981, 8:54 am GMT+10:30 | 26 hr 11 min | Yes |
| 12 | 27 Nov 1981, 1:08 am GMT+10:30 | 28 Nov 1981, 3:46 am GMT+10:30 | 26 hr 38 min | Yes |
| 13 | 26 Dec 1981, 8:40 pm GMT+10:30 | 27 Dec 1981, 10:56 pm GMT+10:30 | 26 hr 17 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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