Night of Monday 30 October
Amāvasyā is absent from niśītha. Not taken.
niśītha begins 23:54 00:42 niśītha ends
Amāvasyā begins 01:05:21
23:0623:3023:5400:1800:4201:0601:30
0 of 48 minutes covered
Ruling · Kālī Pūjā · 1978
Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 12 minutes.
One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.
Night of Monday 30 October
Amāvasyā is absent from niśītha. Not taken.
0 of 48 minutes covered
Night of Tuesday 31 October
Taken. The only night Amāvasyā reaches.
12 of 48 minutes covered, the first 12
Aṅga
Amāvasyā runs from 01:05 on Tue 31 Oct to 00:07 on Wed 1 Nov.
1978-10-30T21:05:21Z → 1978-10-31T20:06:31Z
Kāla
Niśītha is 1 ghaṭikā either side of midnight: 23:54–00:42 on the 30th, 23:54–00:42 on the 31st.
nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Amāvasyā must be present during niśītha. It covers 0 of 48 minutes on the 30th and 12 of 48 on the 31st.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Only one night qualifies. No tie-break is needed.
priority: unstated → only-day · margin 737 s
Ruling
Kālī Pūjā, Tehran, 1978: Tuesday 31 October.
confidence: determinate
In Tehran, Kālī Pūjā 1978 falls on Tuesday 31 October. Amāvasyā runs from 01:05 on Tue 31 Oct to 00:07 on Wed 1 Nov and covers 12 of 48 minutes of niśītha that night.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Tue 31 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Tue 31 Oct |
| compat-drikpanchang | Comparison profile | Tue 31 Oct |
| No institution has a recorded ruling for Tehran. | ||
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 30th | Covered | Niśītha 31st | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 13:05 → 12:07 | 23:13 | 48 min | 23:13 | 0 min | 30 Oct |
| Chicago | 15:05 → 14:07 | 23:11 | 48 min | 23:11 | 0 min | 30 Oct |
| Jersey City | 16:05 → 15:07 | 23:16 | 48 min | 23:16 | 0 min | 30 Oct |
| Port of Spain | 17:05 → 16:07 | 23:26 | 48 min | 23:26 | 0 min | 30 Oct |
| London | 21:05 → 20:07 | 23:21 | 48 min | 23:21 | 0 min | 30 Oct |
| Durban | 23:05 → 22:07 | 23:15 | 48 min | 23:15 | 0 min | 30 Oct |
| Dubai | 01:05 → 00:07 | 23:39 | 0 min | 23:39 | 28 min | 31 Oct |
| Delhi | 02:35 → 01:37 | 23:41 | 0 min | 23:41 | 48 min | 31 Oct |
| Kolkata | 02:35 → 01:37 | 22:56 | 0 min | 22:56 | 48 min | 31 Oct |
| Singapore | 04:35 → 03:37 | 23:54 | 0 min | 23:54 | 48 min | 31 Oct |
| Sydney | 08:05 → 07:07 | 00:15 | 0 min | 00:15 | 48 min | 31 Oct |
| Suva | 09:05 → 08:07 | 23:26 | 0 min | 23:26 | 48 min | 31 Oct |