Shashthi (षष्ठी) dates and timings in Perth for 1991
Verified astronomical start and end times for lunar day 21 in Perth, shown in Australia/Perth.
13 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 5 Jan 1991, 2:10 pm GMT+8 | 6 Jan 1991, 1:44 pm GMT+8 | 23 hr 34 min | Yes |
| 2 | 4 Feb 1991, 6:48 am GMT+8 | 5 Feb 1991, 7:29 am GMT+8 | 24 hr 41 min | Yes |
| 3 | 6 Mar 1991, 1:14 am GMT+8 | 7 Mar 1991, 2:59 am GMT+8 | 25 hr 46 min | Yes |
| 4 | 4 Apr 1991, 8:24 pm GMT+8 | 5 Apr 1991, 10:52 pm GMT+8 | 26 hr 29 min | Yes |
| 5 | 4 May 1991, 3:01 pm GMT+8 | 5 May 1991, 5:34 pm GMT+8 | 26 hr 33 min | Yes |
| 6 | 3 Jun 1991, 7:46 am GMT+8 | 4 Jun 1991, 9:43 am GMT+8 | 25 hr 57 min | Yes |
| 7 | 2 Jul 1991, 9:46 pm GMT+8 | 3 Jul 1991, 10:42 pm GMT+8 | 24 hr 56 min | Yes |
| 8 | 1 Aug 1991, 8:53 am GMT+8 | 2 Aug 1991, 8:43 am GMT+8 | 23 hr 50 min | Yes |
| 9 | 30 Aug 1991, 5:42 pm GMT+8 | 31 Aug 1991, 4:35 pm GMT+8 | 22 hr 54 min | Yes |
| 10 | 29 Sept 1991, 1:11 am GMT+8 | 29 Sept 1991, 11:24 pm GMT+8 | 22 hr 12 min | No |
| 11 | 28 Oct 1991, 8:29 am GMT+8 | 29 Oct 1991, 6:16 am GMT+8 | 21 hr 47 min | Yes |
| 12 | 26 Nov 1991, 5:33 pm GMT+9 | 27 Nov 1991, 3:11 pm GMT+9 | 21 hr 38 min | Yes |
| 13 | 26 Dec 1991, 3:07 am GMT+9 | 27 Dec 1991, 12:58 am GMT+9 | 21 hr 51 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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