Night of Wednesday 17 October
Taken. Both nights qualify; the rule is silent, and this one is covered longer.
niśītha begins 23:02 23:50 niśītha ends
Amāvasyā begins 22:18:47
22:1422:3823:0223:2623:5000:1400:38
48 of 48 minutes covered
Ruling · Kālī Pūjā (Śyāmā Pūjā) · 1990
Boundaryin Daqing, under the Rashtriya Panchang method. Both nights qualify and the rule does not say which to take. Say “contested”.
One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.
Night of Wednesday 17 October
Taken. Both nights qualify; the rule is silent, and this one is covered longer.
48 of 48 minutes covered
Night of Thursday 18 October
Qualifies with 35 of 48 minutes. Not taken.
35 of 48 minutes covered, the first 35
Aṅga
Amāvasyā runs from 22:19 on Wed 17 Oct to 23:37 on Thu 18 Oct.
1990-10-17T14:18:47Z → 1990-10-18T15:36:41Z
Kāla
Niśītha is 1 ghaṭikā either side of midnight: 23:02–23:50 on the 17th, 23:02–23:50 on the 18th.
nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Amāvasyā must be present during niśītha. It covers 48 of 48 minutes on the 17th and 35 of 48 on the 18th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.
priority: unstated → greater-coverage · margin 777 s
Ruling
Kālī Pūjā, Daqing, 1990: Wednesday 17 October.
confidence: boundary (tie-break-unstated)
In Daqing, Kālī Pūjā 1990 falls on Wednesday 17 October. Amāvasyā runs from 22:19 on Wed 17 Oct to 23:37 on Thu 18 Oct and covers all of niśītha that night. It also reaches the next night for 35 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Wed 17 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Wed 17 Oct |
| compat-drikpanchang | Comparison profile | Wed 17 Oct |
| No institution has a recorded ruling for Daqing. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/kali-puja · ruleset 2026.3-draft
“K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.
Twelve places, west to east. Local clock times.
| Place | Amāvasyā | Niśītha 17th | Covered | Niśītha 18th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 07:19 → 08:37 | 00:15 | 48 min | 00:14 | 0 min | 17 Oct |
| Chicago | 09:19 → 10:37 | 00:12 | 48 min | 00:12 | 0 min | 17 Oct |
| Jersey City | 10:19 → 11:37 | 00:18 | 48 min | 00:18 | 0 min | 17 Oct |
| Port of Spain | 10:19 → 11:37 | 23:27 | 48 min | 23:27 | 0 min | 17 Oct |
| London | 15:19 → 16:37 | 00:22 | 48 min | 00:22 | 0 min | 17 Oct |
| Durban | 16:19 → 17:37 | 23:17 | 48 min | 23:17 | 0 min | 17 Oct |
| Dubai | 18:19 → 19:37 | 23:40 | 48 min | 23:40 | 0 min | 17 Oct |
| Delhi | 19:49 → 21:07 | 23:43 | 48 min | 23:42 | 0 min | 17 Oct |
| Kolkata | 19:49 → 21:07 | 22:58 | 48 min | 22:58 | 0 min | 17 Oct |
| Singapore | 22:19 → 23:37 | 00:26 | 48 min | 00:26 | 0 min | 17 Oct |
| Sydney | 00:19 → 01:37 | 23:16 | 0 min | 23:16 | 48 min | 18 Oct |
| Suva | 02:19 → 03:37 | 23:28 | 0 min | 23:27 | 48 min | 18 Oct |