Night of Friday 16 January
Taken. The only night Caturdaśī reaches.
niśītha begins 00:13 01:01 niśītha ends
23:2523:4900:1300:3701:0101:2501:49
48 of 48 minutes covered
Ruling · Śivarātri (Masik Shivaratri) · 2026
Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 8 min 30 s.
One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.
Night of Friday 16 January
Taken. The only night Caturdaśī reaches.
48 of 48 minutes covered
Night of Saturday 17 January
Caturdaśī is absent from niśītha. Not taken.
0 of 48 minutes covered
Aṅga
Caturdaśī runs from 22:22 on Fri 16 Jan to 00:04 on Sun 18 Jan.
2026-01-16T16:52:12Z → 2026-01-17T18:34:27Z
Kāla
Niśītha is 1 ghaṭikā either side of midnight: 00:13–01:01 on the 16th, 00:13–01:01 on the 17th.
nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.
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 510 s
Ruling
Śivarātri, Ujjain, 2026: Friday 16 January.
confidence: determinate
In Ujjain, Śivarātri (Masik Shivaratri) 2026 falls on Friday 16 January. Caturdaśī runs from 22:22 on Fri 16 Jan to 00:04 on Sun 18 Jan and covers all of niśītha that night.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Fri 16 Jan |
| Ahargaṇa, classical | Disc centre, no refraction | Fri 16 Jan |
| compat-drikpanchang | Comparison profile | Fri 16 Jan |
| 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 16th | Covered | Niśītha 17th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 08:52 → 10:34 | 23:39 | 48 min | 23:39 | 0 min | 16 Jan |
| Chicago | 10:52 → 12:34 | 23:36 | 48 min | 23:37 | 0 min | 16 Jan |
| Jersey City | 11:52 → 13:34 | 23:42 | 48 min | 23:42 | 0 min | 16 Jan |
| Port of Spain | 12:52 → 14:34 | 23:52 | 48 min | 23:52 | 0 min | 16 Jan |
| London | 16:52 → 18:34 | 23:46 | 48 min | 23:46 | 0 min | 16 Jan |
| Durban | 18:52 → 20:34 | 23:42 | 48 min | 23:42 | 0 min | 16 Jan |
| Dubai | 20:52 → 22:34 | 00:05 | 48 min | 00:05 | 0 min | 16 Jan |
| Delhi | 22:22 → 00:04 | 00:07 | 48 min | 00:07 | 0 min | 16 Jan |
| Kolkata | 22:22 → 00:04 | 23:22 | 48 min | 23:23 | 42 min | 16 Jan |
| Singapore | 00:52 → 02:34 | 00:50 | 46 min | 00:51 | 48 min | 17 Jan |
| Sydney | 03:52 → 05:34 | 00:41 | 0 min | 00:41 | 48 min | 17 Jan |
| Suva | 04:52 → 06:34 | 23:52 | 0 min | 23:52 | 48 min | 17 Jan |