Chaturthi (चतुर्थी) dates and timings in Perth for 1920
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 | 8 Jan 1920, 8:39 pm GMT+8 | 9 Jan 1920, 7:03 pm GMT+8 | 22 hr 24 min | Yes |
| 2 | 7 Feb 1920, 11:45 am GMT+8 | 8 Feb 1920, 11:32 am GMT+8 | 23 hr 46 min | Yes |
| 3 | 8 Mar 1920, 4:42 am GMT+8 | 9 Mar 1920, 5:54 am GMT+8 | 25 hr 12 min | Yes |
| 4 | 6 Apr 1920, 10:40 pm GMT+8 | 8 Apr 1920, 12:53 am GMT+8 | 26 hr 12 min | Yes |
| 5 | 6 May 1920, 4:23 pm GMT+8 | 7 May 1920, 6:54 pm GMT+8 | 26 hr 31 min | Yes |
| 6 | 5 Jun 1920, 8:36 am GMT+8 | 6 Jun 1920, 10:47 am GMT+8 | 26 hr 10 min | Yes |
| 7 | 4 Jul 1920, 10:42 pm GMT+8 | 6 Jul 1920, 12:06 am GMT+8 | 25 hr 23 min | Yes |
| 8 | 3 Aug 1920, 10:41 am GMT+8 | 4 Aug 1920, 11:03 am GMT+8 | 24 hr 22 min | Yes |
| 9 | 1 Sept 1920, 8:57 pm GMT+8 | 2 Sept 1920, 8:12 pm GMT+8 | 23 hr 15 min | Yes |
| 10 | 1 Oct 1920, 6:06 am GMT+8 | 2 Oct 1920, 4:16 am GMT+8 | 22 hr 10 min | Yes |
| 11 | 30 Oct 1920, 2:45 pm GMT+8 | 31 Oct 1920, 12:01 pm GMT+8 | 21 hr 17 min | Yes |
| 12 | 28 Nov 1920, 11:36 pm GMT+8 | 29 Nov 1920, 8:24 pm GMT+8 | 20 hr 47 min | Yes |
| 13 | 28 Dec 1920, 9:22 am GMT+8 | 29 Dec 1920, 6:14 am GMT+8 | 20 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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