Ruling · Kālī Pūjā · 2011

Tuesday 25 October

Boundaryin Luanda, under the Rashtriya Panchang method. Amāvasyā reaches niśītha on neither day and the rule does not say what then. Say “contested”.

Decide it for

8°50′ S 13°14′ E · Africa/Luanda · GeoNames 2240449

The two nights

One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.

Night of Tuesday 25 October

Taken. Amāvasyā reaches neither night; this is the day it falls on.

niśītha begins 23:27  00:15 niśītha ends
Amāvasyā begins 00:46:23
22:3923:0323:2723:5100:1500:3901:03

0 of 48 minutes covered

Night of Wednesday 26 October

Amāvasyā is absent from niśītha. Not taken.

niśītha begins 23:27  00:15 niśītha ends
22:3923:0323:2723:5100:1500:3901:03

0 of 48 minutes covered

Amāvasyā presentNiśītha, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Amāvasyā runs from 00:46 on Wed 26 Oct to 20:56 on Wed 26 Oct.

    2011-10-25T23:46:23Z → 2011-10-26T19:55:48Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:27–00:15 on the 25th, 23:27–00:15 on the 26th.

    nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Amāvasyā must be present during niśītha. It covers 0 of 48 minutes on the 25th and 0 of 48 on the 26th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Neither night qualifies. The day the tithi falls on is taken.

    priority: unstated → tithi-day · margin 1879 s

  5. 05

    Ruling

    Kālī Pūjā, Luanda, 2011: Tuesday 25 October.

    confidence: boundary (absent-unstated)

Say it like this

In Luanda, Kālī Pūjā 2011 falls on Tuesday 25 October. Amāvasyā runs from 00:46 on Wed 26 Oct to 20:56 on Wed 26 Oct, and reaches niśītha on neither day.

ahargana.org/luanda/festivals/2011/kali-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 25 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 25 Oct
compat-drikpanchangComparison profileTue 25 Oct
No institution has a recorded ruling for Luanda.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/kali-puja · ruleset 2026.3-draft

Month
Āśvina, amānta
Pakṣa · aṅga
Kṛṣṇa · Amāvasyā
Kāla
Niśītha
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 104

“K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAmāvasyāNiśītha 25thCoveredNiśītha 26thCoveredRuled
Los Angeles16:46 → 12:5600:1348 min00:130 min25 Oct
Chicago18:46 → 14:5600:1148 min00:110 min25 Oct
Jersey City19:46 → 15:5600:1748 min00:170 min25 Oct
Port of Spain19:46 → 15:5623:2648 min23:260 min25 Oct
London00:46 → 20:5600:2123 min00:210 min25 Oct
Durban01:46 → 21:5623:160 min23:160 min25 Oct
Dubai03:46 → 23:5623:390 min23:3917 min26 Oct
Delhi05:16 → 01:2623:410 min23:4148 min26 Oct
Kolkata05:16 → 01:2622:570 min22:5748 min26 Oct
Singapore07:46 → 03:5600:250 min00:2548 min26 Oct
Sydney10:46 → 06:5600:150 min00:1548 min26 Oct
Suva12:46 → 08:5600:260 min00:2648 min26 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
kali-puja@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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