Chaturthi (चतुर्थी) dates and timings in Perth for 2011
Verified astronomical start and end times for lunar day 19 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 | 22 Jan 2011, 8:18 pm GMT+8 | 23 Jan 2011, 5:15 pm GMT+8 | 20 hr 56 min | Yes |
| 2 | 21 Feb 2011, 5:34 am GMT+8 | 22 Feb 2011, 2:19 am GMT+8 | 20 hr 45 min | Yes |
| 3 | 22 Mar 2011, 3:03 pm GMT+8 | 23 Mar 2011, 12:12 pm GMT+8 | 21 hr 9 min | Yes |
| 4 | 21 Apr 2011, 1:19 am GMT+8 | 21 Apr 2011, 11:21 pm GMT+8 | 22 hr 2 min | No |
| 5 | 20 May 2011, 12:47 pm GMT+8 | 21 May 2011, 11:58 am GMT+8 | 23 hr 11 min | Yes |
| 6 | 19 Jun 2011, 1:37 am GMT+8 | 20 Jun 2011, 2:00 am GMT+8 | 24 hr 23 min | Yes |
| 7 | 18 Jul 2011, 3:52 pm GMT+8 | 19 Jul 2011, 5:19 pm GMT+8 | 25 hr 28 min | Yes |
| 8 | 17 Aug 2011, 7:31 am GMT+8 | 18 Aug 2011, 9:46 am GMT+8 | 26 hr 15 min | Yes |
| 9 | 16 Sept 2011, 12:20 am GMT+8 | 17 Sept 2011, 2:53 am GMT+8 | 26 hr 33 min | Yes |
| 10 | 15 Oct 2011, 5:35 pm GMT+8 | 16 Oct 2011, 7:47 pm GMT+8 | 26 hr 12 min | Yes |
| 11 | 14 Nov 2011, 10:09 am GMT+8 | 15 Nov 2011, 11:21 am GMT+8 | 25 hr 12 min | Yes |
| 12 | 14 Dec 2011, 12:51 am GMT+8 | 15 Dec 2011, 12:42 am GMT+8 | 23 hr 51 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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