Tritiya (तृतीया) dates and timings in Delhi for 1973
Verified astronomical start and end times for lunar day 18 in Delhi, shown in Asia/Kolkata.
12 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 20 Jan 1973, 10:24 pm IST | 21 Jan 1973, 8:57 pm IST | 22 hr 33 min | Yes |
| 2 | 19 Feb 1973, 1:32 pm IST | 20 Feb 1973, 1:23 pm IST | 23 hr 51 min | Yes |
| 3 | 21 Mar 1973, 5:43 am IST | 22 Mar 1973, 6:53 am IST | 25 hr 11 min | Yes |
| 4 | 19 Apr 1973, 10:30 pm IST | 21 Apr 1973, 12:43 am IST | 26 hr 12 min | Yes |
| 5 | 19 May 1973, 3:16 pm IST | 20 May 1973, 5:51 pm IST | 26 hr 36 min | Yes |
| 6 | 18 Jun 1973, 7:03 am IST | 19 Jun 1973, 9:16 am IST | 26 hr 13 min | Yes |
| 7 | 17 Jul 1973, 9:03 pm IST | 18 Jul 1973, 10:16 pm IST | 25 hr 13 min | Yes |
| 8 | 16 Aug 1973, 8:59 am IST | 17 Aug 1973, 8:54 am IST | 23 hr 55 min | Yes |
| 9 | 14 Sept 1973, 7:12 pm IST | 15 Sept 1973, 5:53 pm IST | 22 hr 40 min | Yes |
| 10 | 14 Oct 1973, 4:34 am IST | 15 Oct 1973, 2:12 am IST | 21 hr 39 min | Yes |
| 11 | 12 Nov 1973, 1:56 pm IST | 13 Nov 1973, 10:52 am IST | 20 hr 56 min | Yes |
| 12 | 11 Dec 1973, 11:55 pm IST | 12 Dec 1973, 8:31 pm IST | 20 hr 36 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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