Chaturthi (चतुर्थी) dates and timings in Perth for 1980
Verified astronomical start and end times for lunar day 19 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 1980, 8:29 pm GMT+8 | 6 Jan 1980, 10:42 pm GMT+8 | 26 hr 13 min | Yes |
| 2 | 4 Feb 1980, 5:10 pm GMT+8 | 5 Feb 1980, 7:51 pm GMT+8 | 26 hr 42 min | Yes |
| 3 | 5 Mar 1980, 12:46 pm GMT+8 | 6 Mar 1980, 3:07 pm GMT+8 | 26 hr 21 min | Yes |
| 4 | 4 Apr 1980, 5:34 am GMT+8 | 5 Apr 1980, 7:00 am GMT+8 | 25 hr 27 min | Yes |
| 5 | 3 May 1980, 6:53 pm GMT+8 | 4 May 1980, 7:11 pm GMT+8 | 24 hr 19 min | Yes |
| 6 | 2 Jun 1980, 5:04 am GMT+8 | 3 Jun 1980, 4:13 am GMT+8 | 23 hr 9 min | Yes |
| 7 | 1 Jul 1980, 12:56 pm GMT+8 | 2 Jul 1980, 11:01 am GMT+8 | 22 hr 6 min | Yes |
| 8 | 30 Jul 1980, 7:28 pm GMT+8 | 31 Jul 1980, 4:43 pm GMT+8 | 21 hr 16 min | Yes |
| 9 | 29 Aug 1980, 1:45 am GMT+8 | 29 Aug 1980, 10:31 pm GMT+8 | 20 hr 46 min | No |
| 10 | 27 Sept 1980, 8:55 am GMT+8 | 28 Sept 1980, 5:41 am GMT+8 | 20 hr 47 min | Yes |
| 11 | 26 Oct 1980, 6:05 pm GMT+8 | 27 Oct 1980, 3:27 pm GMT+8 | 21 hr 22 min | Yes |
| 12 | 25 Nov 1980, 6:10 am GMT+8 | 26 Nov 1980, 4:39 am GMT+8 | 22 hr 29 min | Yes |
| 13 | 24 Dec 1980, 9:29 pm GMT+8 | 25 Dec 1980, 9:21 pm GMT+8 | 23 hr 52 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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