Dwitiya (द्वितीया) dates and timings in Perth for 1986
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 | 27 Jan 1986, 8:28 am GMT+8 | 28 Jan 1986, 8:01 am GMT+8 | 23 hr 33 min | Yes |
| 2 | 25 Feb 1986, 9:35 pm GMT+8 | 26 Feb 1986, 7:49 pm GMT+8 | 22 hr 14 min | Yes |
| 3 | 27 Mar 1986, 8:25 am GMT+8 | 28 Mar 1986, 5:35 am GMT+8 | 21 hr 11 min | Yes |
| 4 | 25 Apr 1986, 5:19 pm GMT+8 | 26 Apr 1986, 1:48 pm GMT+8 | 20 hr 29 min | Yes |
| 5 | 25 May 1986, 12:53 am GMT+8 | 25 May 1986, 9:07 pm GMT+8 | 20 hr 14 min | No |
| 6 | 23 Jun 1986, 7:56 am GMT+8 | 24 Jun 1986, 4:27 am GMT+8 | 20 hr 31 min | Yes |
| 7 | 22 Jul 1986, 3:33 pm GMT+8 | 23 Jul 1986, 12:55 pm GMT+8 | 21 hr 21 min | Yes |
| 8 | 21 Aug 1986, 12:57 am GMT+8 | 21 Aug 1986, 11:36 pm GMT+8 | 22 hr 39 min | No |
| 9 | 19 Sept 1986, 1:06 pm GMT+8 | 20 Sept 1986, 1:15 pm GMT+8 | 24 hr 9 min | Yes |
| 10 | 19 Oct 1986, 4:23 am GMT+8 | 20 Oct 1986, 5:52 am GMT+8 | 25 hr 30 min | Yes |
| 11 | 17 Nov 1986, 10:17 pm GMT+8 | 19 Nov 1986, 12:38 am GMT+8 | 26 hr 21 min | Yes |
| 12 | 17 Dec 1986, 5:36 pm GMT+8 | 18 Dec 1986, 8:07 pm GMT+8 | 26 hr 31 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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