Night of Thursday 20 October
Amāvasyā is absent from niśītha. Not taken.
0 of 48 minutes covered
Ruling · Kālī Pūjā · 1949
Determinatein Cairo, under the Rashtriya Panchang method. Clear of every threshold by 6 min 56 s.
One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.
Night of Thursday 20 October
Amāvasyā is absent from niśītha. Not taken.
0 of 48 minutes covered
Night of Friday 21 October
Taken. The only night Amāvasyā reaches.
7 of 48 minutes covered, the first 7
Aṅga
Amāvasyā runs from 03:07 on Fri 21 Oct to 23:23 on Fri 21 Oct.
1949-10-21T01:07:03Z → 1949-10-21T21:22:47Z
Kāla
Niśītha is 1 ghaṭikā either side of midnight: 23:16–00:04 on the 20th, 23:16–00:04 on the 21st.
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 20th and 7 of 48 on the 21st.
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 416 s
Ruling
Kālī Pūjā, Cairo, 1949: Friday 21 October.
confidence: determinate
In Cairo, Kālī Pūjā 1949 falls on Friday 21 October. Amāvasyā runs from 03:07 on Fri 21 Oct to 23:23 on Fri 21 Oct and covers 7 of 48 minutes of niśītha that night.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Fri 21 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Fri 21 Oct |
| compat-drikpanchang | Comparison profile | Fri 21 Oct |
| No institution has a recorded ruling for Cairo. | ||
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 21st | Covered | Niśītha 22nd | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 17:07 → 13:23 | 23:14 | 0 min | 23:14 | 0 min | 20 Oct |
| Chicago | 19:07 → 15:23 | 23:12 | 0 min | 23:11 | 0 min | 20 Oct |
| Jersey City | 20:07 → 16:23 | 23:17 | 0 min | 23:17 | 0 min | 20 Oct |
| Port of Spain | 21:07 → 17:23 | 23:27 | 0 min | 23:27 | 0 min | 20 Oct |
| London | 02:07 → 22:23 | 00:22 | 0 min | 00:22 | 0 min | 20 Oct |
| Durban | 03:07 → 23:23 | 23:16 | 6 min | 23:16 | 0 min | 21 Oct |
| Dubai | 05:07 → 01:23 | 23:40 | 48 min | 23:39 | 0 min | 21 Oct |
| Delhi | 06:37 → 02:53 | 23:42 | 48 min | 23:42 | 0 min | 21 Oct |
| Kolkata | 06:37 → 02:53 | 22:57 | 48 min | 22:57 | 0 min | 21 Oct |
| Singapore | 08:37 → 04:53 | 23:55 | 48 min | 23:55 | 0 min | 21 Oct |
| Sydney | 11:07 → 07:23 | 23:16 | 48 min | 23:15 | 0 min | 21 Oct |
| Suva | 13:07 → 09:23 | 23:27 | 48 min | 23:27 | 0 min | 21 Oct |