Night of Sunday 6 December
Caturdaśī is absent from niśītha. Not taken.
niśītha begins 23:54 00:42 niśītha ends
23:0623:3023:5400:1800:4201:0601:30
0 of 48 minutes covered
Ruling · Śivarātri (Masik Shivaratri) · 2026
Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 100 minutes.
One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.
Night of Sunday 6 December
Caturdaśī is absent from niśītha. Not taken.
0 of 48 minutes covered
Night of Monday 7 December
Taken. The only night Caturdaśī reaches.
48 of 48 minutes covered
Aṅga
Caturdaśī runs from 02:23 on Mon 7 Dec to 04:13 on Tue 8 Dec.
2026-12-06T20:52:34Z → 2026-12-07T22:43:04Z
Kāla
Niśītha is 1 ghaṭikā either side of midnight: 23:54–00:42 on the 6th, 23:55–00:43 on the 7th.
nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108
Tie-break
Only one night qualifies. No tie-break is needed.
priority: unstated → only-day · margin 6029 s
Ruling
Śivarātri, Ujjain, 2026: Monday 7 December.
confidence: determinate
In Ujjain, Śivarātri (Masik Shivaratri) 2026 falls on Monday 7 December. Caturdaśī runs from 02:23 on Mon 7 Dec to 04:13 on Tue 8 Dec and covers all of niśītha that night.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Mon 7 Dec |
| Ahargaṇa, classical | Disc centre, no refraction | Mon 7 Dec |
| compat-drikpanchang | Comparison profile | Mon 7 Dec |
| No institution has a recorded ruling for Ujjain. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/shivaratri · ruleset 2026.3-draft
“The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108. The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.
Twelve places, west to east. Local clock times.
| Place | Caturdaśī | Niśītha 6th | Covered | Niśītha 7th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 12:53 → 14:43 | 23:20 | 48 min | 23:21 | 0 min | 6 Dec |
| Chicago | 14:53 → 16:43 | 23:18 | 48 min | 23:19 | 0 min | 6 Dec |
| Jersey City | 15:53 → 17:43 | 23:24 | 48 min | 23:24 | 0 min | 6 Dec |
| Port of Spain | 16:53 → 18:43 | 23:33 | 48 min | 23:34 | 0 min | 6 Dec |
| London | 20:53 → 22:43 | 23:28 | 48 min | 23:28 | 0 min | 6 Dec |
| Durban | 22:53 → 00:43 | 23:23 | 48 min | 23:23 | 48 min | 6 Dec |
| Dubai | 00:53 → 02:43 | 23:46 | 0 min | 23:46 | 48 min | 7 Dec |
| Delhi | 02:23 → 04:13 | 23:48 | 0 min | 23:49 | 48 min | 7 Dec |
| Kolkata | 02:23 → 04:13 | 23:04 | 0 min | 23:04 | 48 min | 7 Dec |
| Singapore | 04:53 → 06:43 | 00:32 | 0 min | 00:32 | 48 min | 7 Dec |
| Sydney | 07:53 → 09:43 | 00:22 | 0 min | 00:23 | 48 min | 7 Dec |
| Suva | 08:53 → 10:43 | 23:33 | 0 min | 23:34 | 48 min | 7 Dec |