Dwitiya (द्वितीया) dates and timings in Adelaide for 1981
Verified astronomical start and end times for lunar day 2 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 | 7 Jan 1981, 5:44 pm GMT+10:30 | 8 Jan 1981, 5:08 pm GMT+10:30 | 23 hr 25 min | Yes |
| 2 | 6 Feb 1981, 7:05 am GMT+10:30 | 7 Feb 1981, 5:05 am GMT+10:30 | 22 hr 0 min | Yes |
| 3 | 7 Mar 1981, 5:06 pm GMT+9:30 | 8 Mar 1981, 1:58 pm GMT+9:30 | 20 hr 52 min | Yes |
| 4 | 6 Apr 1981, 2:06 am GMT+9:30 | 6 Apr 1981, 10:21 pm GMT+9:30 | 20 hr 16 min | No |
| 5 | 5 May 1981, 9:53 am GMT+9:30 | 6 May 1981, 6:09 am GMT+9:30 | 20 hr 16 min | Yes |
| 6 | 3 Jun 1981, 5:30 pm GMT+9:30 | 4 Jun 1981, 2:20 pm GMT+9:30 | 20 hr 51 min | Yes |
| 7 | 3 Jul 1981, 1:54 am GMT+9:30 | 3 Jul 1981, 11:45 pm GMT+9:30 | 21 hr 51 min | No |
| 8 | 1 Aug 1981, 11:55 am GMT+9:30 | 2 Aug 1981, 11:01 am GMT+9:30 | 23 hr 6 min | Yes |
| 9 | 31 Aug 1981, 12:07 am GMT+9:30 | 1 Sept 1981, 12:32 am GMT+9:30 | 24 hr 25 min | Yes |
| 10 | 29 Sept 1981, 2:47 pm GMT+9:30 | 30 Sept 1981, 4:24 pm GMT+9:30 | 25 hr 36 min | Yes |
| 11 | 29 Oct 1981, 8:54 am GMT+10:30 | 30 Oct 1981, 11:20 am GMT+10:30 | 26 hr 27 min | Yes |
| 12 | 28 Nov 1981, 3:46 am GMT+10:30 | 29 Nov 1981, 6:24 am GMT+10:30 | 26 hr 38 min | Yes |
| 13 | 27 Dec 1981, 10:56 pm GMT+10:30 | 29 Dec 1981, 12:55 am GMT+10:30 | 25 hr 59 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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