Dwitiya (द्वितीया) dates and timings in Perth for 1978
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 | 25 Jan 1978, 5:43 pm GMT+8 | 26 Jan 1978, 7:13 pm GMT+8 | 25 hr 29 min | Yes |
| 2 | 24 Feb 1978, 10:04 am GMT+8 | 25 Feb 1978, 10:16 am GMT+8 | 24 hr 12 min | Yes |
| 3 | 25 Mar 1978, 11:30 pm GMT+8 | 26 Mar 1978, 10:15 pm GMT+8 | 22 hr 45 min | Yes |
| 4 | 24 Apr 1978, 9:56 am GMT+8 | 25 Apr 1978, 7:21 am GMT+8 | 21 hr 26 min | Yes |
| 5 | 23 May 1978, 5:56 pm GMT+8 | 24 May 1978, 2:28 pm GMT+8 | 20 hr 31 min | Yes |
| 6 | 22 Jun 1978, 12:36 am GMT+8 | 22 Jun 1978, 8:46 pm GMT+8 | 20 hr 10 min | No |
| 7 | 21 Jul 1978, 7:12 am GMT+8 | 22 Jul 1978, 3:35 am GMT+8 | 20 hr 23 min | Yes |
| 8 | 19 Aug 1978, 2:55 pm GMT+8 | 20 Aug 1978, 12:02 pm GMT+8 | 21 hr 7 min | Yes |
| 9 | 18 Sept 1978, 12:43 am GMT+8 | 18 Sept 1978, 10:55 pm GMT+8 | 22 hr 13 min | No |
| 10 | 17 Oct 1978, 1:08 pm GMT+8 | 18 Oct 1978, 12:40 pm GMT+8 | 23 hr 32 min | Yes |
| 11 | 16 Nov 1978, 4:22 am GMT+8 | 17 Nov 1978, 5:15 am GMT+8 | 24 hr 53 min | Yes |
| 12 | 15 Dec 1978, 10:09 pm GMT+8 | 17 Dec 1978, 12:12 am GMT+8 | 26 hr 3 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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