Night of Tuesday 27 February
Taken. Caturdaśī reaches neither night; this is the day it falls on.
niśītha begins 23:33 00:21 niśītha ends
22:4523:0923:3323:5700:2100:4501:09
0 of 48 minutes covered
Ruling · Mahāśivarātri · 1900
Boundaryin Daqing, under the Rashtriya Panchang method. Caturdaśī reaches niśītha on neither day and the rule does not say what then. Say “contested”.
One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.
Night of Tuesday 27 February
Taken. Caturdaśī reaches neither night; this is the day it falls on.
0 of 48 minutes covered
Night of Wednesday 28 February
Caturdaśī is absent from niśītha. Not taken.
0 of 48 minutes covered
Aṅga
Caturdaśī runs from 03:08 on Wed 28 Feb to 23:25 on Wed 28 Feb.
1900-02-27T19:02:40Z → 1900-02-28T15:20:16Z
Kāla
Niśītha is 1 ghaṭikā either side of midnight: 23:33–00:21 on the 27th, 23:33–00:21 on the 28th.
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 27th and 0 of 48 on the 28th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105
Tie-break
Neither night qualifies. The day the tithi falls on is taken.
priority: disputed → tithi-day · margin 481 s
Ruling
Mahāśivarātri, Daqing, 1900: Tuesday 27 February.
confidence: boundary (absent-unstated)
In Daqing, Mahāśivarātri 1900 falls on Tuesday 27 February. Caturdaśī runs from 03:08 on Wed 28 Feb to 23:25 on Wed 28 Feb, and reaches niśītha on neither day.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Tue 27 Feb |
| Ahargaṇa, classical | Disc centre, no refraction | Tue 27 Feb |
| compat-drikpanchang | Comparison profile | Tue 27 Feb |
| No institution has a recorded ruling for Daqing. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/maha-shivaratri · ruleset 2026.3-draft
“K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105. The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.
Twelve places, west to east. Local clock times.
| Place | Caturdaśī | Niśītha 27th | Covered | Niśītha 28th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 11:03 → 07:20 | 23:42 | 48 min | 23:41 | 0 min | 27 Feb |
| Chicago | 13:03 → 09:20 | 23:39 | 48 min | 23:39 | 0 min | 27 Feb |
| Jersey City | 14:03 → 10:20 | 23:45 | 48 min | 23:45 | 0 min | 27 Feb |
| Port of Spain | 15:03 → 11:20 | 23:55 | 48 min | 23:55 | 0 min | 27 Feb |
| London | 19:03 → 15:20 | 23:49 | 48 min | 23:49 | 0 min | 27 Feb |
| Durban | 20:33 → 16:50 | 23:15 | 48 min | 23:15 | 0 min | 27 Feb |
| Dubai | 22:44 → 19:01 | 23:48 | 48 min | 23:48 | 0 min | 27 Feb |
| Delhi | 00:24 → 20:41 | 00:01 | 25 min | 00:01 | 0 min | 27 Feb |
| Kolkata | 00:24 → 20:41 | 23:16 | 0 min | 23:16 | 0 min | 27 Feb |
| Singapore | 01:58 → 22:15 | 23:49 | 0 min | 23:48 | 0 min | 27 Feb |
| Sydney | 05:03 → 01:20 | 23:44 | 0 min | 23:44 | 48 min | 28 Feb |
| Suva | 06:58 → 03:15 | 23:50 | 0 min | 23:50 | 48 min | 28 Feb |