Chaturthi (चतुर्थी) dates and timings in Perth for 1913
Verified astronomical start and end times for lunar day 4 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 | 11 Jan 1913, 1:18 am GMT+8 | 12 Jan 1913, 4:02 am GMT+8 | 26 hr 44 min | Yes |
| 2 | 9 Feb 1913, 9:20 pm GMT+8 | 10 Feb 1913, 11:48 pm GMT+8 | 26 hr 28 min | Yes |
| 3 | 11 Mar 1913, 2:57 pm GMT+8 | 12 Mar 1913, 4:25 pm GMT+8 | 25 hr 28 min | Yes |
| 4 | 10 Apr 1913, 4:55 am GMT+8 | 11 Apr 1913, 5:00 am GMT+8 | 24 hr 6 min | Yes |
| 5 | 9 May 1913, 3:10 pm GMT+8 | 10 May 1913, 1:57 pm GMT+8 | 22 hr 47 min | Yes |
| 6 | 7 Jun 1913, 10:40 pm GMT+8 | 8 Jun 1913, 8:26 pm GMT+8 | 21 hr 47 min | Yes |
| 7 | 7 Jul 1913, 4:45 am GMT+8 | 8 Jul 1913, 1:54 am GMT+8 | 21 hr 9 min | Yes |
| 8 | 5 Aug 1913, 10:47 am GMT+8 | 6 Aug 1913, 7:41 am GMT+8 | 20 hr 53 min | Yes |
| 9 | 3 Sept 1913, 5:53 pm GMT+8 | 4 Sept 1913, 2:54 pm GMT+8 | 21 hr 1 min | Yes |
| 10 | 3 Oct 1913, 2:54 am GMT+8 | 4 Oct 1913, 12:28 am GMT+8 | 21 hr 33 min | Yes |
| 11 | 1 Nov 1913, 2:34 pm GMT+8 | 2 Nov 1913, 1:07 pm GMT+8 | 22 hr 34 min | Yes |
| 12 | 1 Dec 1913, 5:19 am GMT+8 | 2 Dec 1913, 5:16 am GMT+8 | 23 hr 57 min | Yes |
| 13 | 30 Dec 1913, 11:09 pm GMT+8 | 1 Jan 1914, 12:34 am GMT+8 | 25 hr 25 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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