Chaturthi (चतुर्थी) dates and timings in Perth for 1940
Verified astronomical start and end times for lunar day 4 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 | 13 Jan 1940, 2:53 am GMT+8 | 14 Jan 1940, 5:22 am GMT+8 | 26 hr 29 min | Yes |
| 2 | 11 Feb 1940, 11:15 pm GMT+8 | 13 Feb 1940, 1:59 am GMT+8 | 26 hr 44 min | Yes |
| 3 | 12 Mar 1940, 6:06 pm GMT+8 | 13 Mar 1940, 8:15 pm GMT+8 | 26 hr 9 min | Yes |
| 4 | 11 Apr 1940, 9:48 am GMT+8 | 12 Apr 1940, 10:46 am GMT+8 | 24 hr 58 min | Yes |
| 5 | 10 May 1940, 9:44 pm GMT+8 | 11 May 1940, 9:21 pm GMT+8 | 23 hr 37 min | Yes |
| 6 | 9 Jun 1940, 6:26 am GMT+8 | 10 Jun 1940, 4:51 am GMT+8 | 22 hr 25 min | Yes |
| 7 | 8 Jul 1940, 1:06 pm GMT+8 | 9 Jul 1940, 10:39 am GMT+8 | 21 hr 33 min | Yes |
| 8 | 6 Aug 1940, 7:08 pm GMT+8 | 7 Aug 1940, 4:11 pm GMT+8 | 21 hr 2 min | Yes |
| 9 | 5 Sept 1940, 1:47 am GMT+8 | 5 Sept 1940, 10:41 pm GMT+8 | 20 hr 54 min | No |
| 10 | 4 Oct 1940, 10:01 am GMT+8 | 5 Oct 1940, 7:10 am GMT+8 | 21 hr 9 min | Yes |
| 11 | 2 Nov 1940, 8:33 pm GMT+8 | 3 Nov 1940, 6:24 pm GMT+8 | 21 hr 51 min | Yes |
| 12 | 2 Dec 1940, 9:52 am GMT+8 | 3 Dec 1940, 8:54 am GMT+8 | 23 hr 2 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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