Chaturdashi (चतुर्दशी) dates and timings in Perth for 1983
Verified astronomical start and end times for lunar day 29 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 | 12 Jan 1983, 7:44 am GMT+8 | 13 Jan 1983, 10:23 am GMT+8 | 26 hr 40 min | Yes |
| 2 | 11 Feb 1983, 3:35 am GMT+8 | 12 Feb 1983, 6:11 am GMT+8 | 26 hr 36 min | Yes |
| 3 | 12 Mar 1983, 10:44 pm GMT+8 | 14 Mar 1983, 12:28 am GMT+8 | 25 hr 44 min | Yes |
| 4 | 11 Apr 1983, 3:39 pm GMT+8 | 12 Apr 1983, 4:05 pm GMT+8 | 24 hr 26 min | Yes |
| 5 | 11 May 1983, 5:47 am GMT+8 | 12 May 1983, 4:52 am GMT+8 | 23 hr 4 min | Yes |
| 6 | 9 Jun 1983, 5:20 pm GMT+8 | 10 Jun 1983, 3:12 pm GMT+8 | 21 hr 52 min | Yes |
| 7 | 9 Jul 1983, 2:47 am GMT+8 | 9 Jul 1983, 11:44 pm GMT+8 | 20 hr 56 min | No |
| 8 | 7 Aug 1983, 10:47 am GMT+8 | 8 Aug 1983, 7:08 am GMT+8 | 20 hr 22 min | Yes |
| 9 | 5 Sept 1983, 6:03 pm GMT+8 | 6 Sept 1983, 2:20 pm GMT+8 | 20 hr 16 min | Yes |
| 10 | 5 Oct 1983, 1:34 am GMT+8 | 5 Oct 1983, 10:19 pm GMT+8 | 20 hr 45 min | No |
| 11 | 3 Nov 1983, 11:23 am GMT+9 | 4 Nov 1983, 9:10 am GMT+9 | 21 hr 48 min | Yes |
| 12 | 2 Dec 1983, 10:28 pm GMT+9 | 3 Dec 1983, 9:43 pm GMT+9 | 23 hr 15 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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