Purnima (पूर्णिमा) dates and timings in Chicago for 2021
Verified astronomical start and end times for lunar day 15 in Chicago, shown in America/Chicago.
12 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 27 Jan 2021, 1:47 pm GMT-6 | 28 Jan 2021, 1:16 pm GMT-6 | 23 hr 28 min | Yes |
| 2 | 26 Feb 2021, 4:20 am GMT-6 | 27 Feb 2021, 2:17 am GMT-6 | 21 hr 57 min | Yes |
| 3 | 27 Mar 2021, 4:57 pm GMT-5 | 28 Mar 2021, 1:48 pm GMT-5 | 20 hr 51 min | Yes |
| 4 | 26 Apr 2021, 2:14 am GMT-5 | 26 Apr 2021, 10:31 pm GMT-5 | 20 hr 17 min | No |
| 5 | 25 May 2021, 10:00 am GMT-5 | 26 May 2021, 6:13 am GMT-5 | 20 hr 14 min | Yes |
| 6 | 23 Jun 2021, 5:02 pm GMT-5 | 24 Jun 2021, 1:39 pm GMT-5 | 20 hr 37 min | Yes |
| 7 | 23 Jul 2021, 12:13 am GMT-5 | 23 Jul 2021, 9:36 pm GMT-5 | 21 hr 23 min | No |
| 8 | 21 Aug 2021, 8:30 am GMT-5 | 22 Aug 2021, 7:01 am GMT-5 | 22 hr 31 min | Yes |
| 9 | 19 Sept 2021, 6:58 pm GMT-5 | 20 Sept 2021, 6:54 pm GMT-5 | 23 hr 56 min | Yes |
| 10 | 19 Oct 2021, 8:33 am GMT-5 | 20 Oct 2021, 9:56 am GMT-5 | 25 hr 23 min | Yes |
| 11 | 18 Nov 2021, 12:30 am GMT-6 | 19 Nov 2021, 2:57 am GMT-6 | 26 hr 27 min | Yes |
| 12 | 17 Dec 2021, 7:54 pm GMT-6 | 18 Dec 2021, 10:35 pm GMT-6 | 26 hr 41 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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