Shashthi (षष्ठी) dates and timings in Perth for 1981
Verified astronomical start and end times for lunar day 21 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 1981, 6:22 pm GMT+8 | 26 Jan 1981, 8:34 pm GMT+8 | 26 hr 12 min | Yes |
| 2 | 24 Feb 1981, 3:11 pm GMT+8 | 25 Feb 1981, 5:41 pm GMT+8 | 26 hr 30 min | Yes |
| 3 | 26 Mar 1981, 10:39 am GMT+8 | 27 Mar 1981, 12:56 pm GMT+8 | 26 hr 17 min | Yes |
| 4 | 25 Apr 1981, 3:28 am GMT+8 | 26 Apr 1981, 5:02 am GMT+8 | 25 hr 34 min | Yes |
| 5 | 24 May 1981, 4:55 pm GMT+8 | 25 May 1981, 5:27 pm GMT+8 | 24 hr 31 min | Yes |
| 6 | 23 Jun 1981, 3:00 am GMT+8 | 24 Jun 1981, 2:22 am GMT+8 | 23 hr 22 min | Yes |
| 7 | 22 Jul 1981, 10:18 am GMT+8 | 23 Jul 1981, 8:40 am GMT+8 | 22 hr 22 min | Yes |
| 8 | 20 Aug 1981, 4:00 pm GMT+8 | 21 Aug 1981, 1:42 pm GMT+8 | 21 hr 42 min | Yes |
| 9 | 18 Sept 1981, 9:34 pm GMT+8 | 19 Sept 1981, 7:01 pm GMT+8 | 21 hr 28 min | Yes |
| 10 | 18 Oct 1981, 4:29 am GMT+8 | 19 Oct 1981, 2:08 am GMT+8 | 21 hr 40 min | Yes |
| 11 | 16 Nov 1981, 1:56 pm GMT+8 | 17 Nov 1981, 12:11 pm GMT+8 | 22 hr 14 min | Yes |
| 12 | 16 Dec 1981, 2:31 am GMT+8 | 17 Dec 1981, 1:37 am GMT+8 | 23 hr 6 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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