Dwitiya (द्वितीया) dates and timings in Perth for 2081
Verified astronomical start and end times for lunar day 17 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 | 26 Jan 2081, 8:15 am GMT+8 | 27 Jan 2081, 4:34 am GMT+8 | 20 hr 19 min | Yes |
| 2 | 24 Feb 2081, 6:46 pm GMT+8 | 25 Feb 2081, 3:21 pm GMT+8 | 20 hr 34 min | Yes |
| 3 | 26 Mar 2081, 5:23 am GMT+8 | 27 Mar 2081, 2:38 am GMT+8 | 21 hr 16 min | Yes |
| 4 | 24 Apr 2081, 4:09 pm GMT+8 | 25 Apr 2081, 2:28 pm GMT+8 | 22 hr 18 min | Yes |
| 5 | 24 May 2081, 3:29 am GMT+8 | 25 May 2081, 3:06 am GMT+8 | 23 hr 36 min | Yes |
| 6 | 22 Jun 2081, 3:58 pm GMT+8 | 23 Jun 2081, 4:56 pm GMT+8 | 24 hr 58 min | Yes |
| 7 | 22 Jul 2081, 6:04 am GMT+8 | 23 Jul 2081, 8:10 am GMT+8 | 26 hr 5 min | Yes |
| 8 | 20 Aug 2081, 9:45 pm GMT+8 | 22 Aug 2081, 12:21 am GMT+8 | 26 hr 36 min | Yes |
| 9 | 19 Sept 2081, 2:17 pm GMT+8 | 20 Sept 2081, 4:35 pm GMT+8 | 26 hr 18 min | Yes |
| 10 | 19 Oct 2081, 6:34 am GMT+8 | 20 Oct 2081, 7:53 am GMT+8 | 25 hr 19 min | Yes |
| 11 | 17 Nov 2081, 9:45 pm GMT+8 | 18 Nov 2081, 9:44 pm GMT+8 | 23 hr 59 min | Yes |
| 12 | 17 Dec 2081, 11:31 am GMT+8 | 18 Dec 2081, 10:08 am GMT+8 | 22 hr 38 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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