Saptami (सप्तमी) dates and timings in Perth for 1980
Verified astronomical start and end times for lunar day 22 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 | 9 Jan 1980, 4:00 am GMT+8 | 10 Jan 1980, 6:38 am GMT+8 | 26 hr 37 min | Yes |
| 2 | 8 Feb 1980, 12:54 am GMT+8 | 9 Feb 1980, 2:50 am GMT+8 | 25 hr 56 min | Yes |
| 3 | 8 Mar 1980, 6:40 pm GMT+8 | 9 Mar 1980, 7:36 pm GMT+8 | 24 hr 56 min | Yes |
| 4 | 7 Apr 1980, 8:29 am GMT+8 | 8 Apr 1980, 8:23 am GMT+8 | 23 hr 54 min | Yes |
| 5 | 6 May 1980, 6:32 pm GMT+8 | 7 May 1980, 5:31 pm GMT+8 | 22 hr 59 min | Yes |
| 6 | 5 Jun 1980, 1:36 am GMT+8 | 5 Jun 1980, 11:52 pm GMT+8 | 22 hr 15 min | No |
| 7 | 4 Jul 1980, 6:48 am GMT+8 | 5 Jul 1980, 4:34 am GMT+8 | 21 hr 46 min | Yes |
| 8 | 2 Aug 1980, 11:27 am GMT+8 | 3 Aug 1980, 9:05 am GMT+8 | 21 hr 38 min | Yes |
| 9 | 31 Aug 1980, 5:01 pm GMT+8 | 1 Sept 1980, 2:57 pm GMT+8 | 21 hr 56 min | Yes |
| 10 | 30 Sept 1980, 12:57 am GMT+8 | 30 Sept 1980, 11:39 pm GMT+8 | 22 hr 42 min | No |
| 11 | 29 Oct 1980, 12:30 pm GMT+8 | 30 Oct 1980, 12:19 pm GMT+8 | 23 hr 49 min | Yes |
| 12 | 28 Nov 1980, 4:09 am GMT+8 | 29 Nov 1980, 5:11 am GMT+8 | 25 hr 1 min | Yes |
| 13 | 27 Dec 1980, 11:23 pm GMT+8 | 29 Dec 1980, 1:22 am GMT+8 | 25 hr 59 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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