Ruling · Kālī Pūjā (Śyāmā Pūjā) · 2021

Thursday 4 November

Determinatein Riyadh, under the Rashtriya Panchang method. Clear of every threshold by 14 minutes.

Decide it for

24°41′ N 46°43′ E · Asia/Riyadh · GeoNames 108410

The two nights

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

Night of Wednesday 3 November

Amāvasyā is absent from niśītha. Not taken.

niśītha begins 23:13  00:01 niśītha ends
22:2522:4923:1323:3700:0100:2500:49

0 of 48 minutes covered

Night of Thursday 4 November

Taken. The only night Amāvasyā reaches.

niśītha begins 23:13  00:01 niśītha ends
Amāvasyā ends 00:14:36
22:2522:4923:1323:3700:0100:2500:49

48 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 03:34 on Thu 4 Nov to 00:15 on Fri 5 Nov.

    2021-11-04T00:33:42Z → 2021-11-04T21:14:37Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:13–00:01 on the 3rd, 23:13–00:01 on the 4th.

    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 3rd and 48 of 48 on the 4th.

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

  4. 04

    Tie-break

    Only one night qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 826 s

  5. 05

    Ruling

    Kālī Pūjā, Riyadh, 2021: Thursday 4 November.

    confidence: determinate

Say it like this

In Riyadh, Kālī Pūjā 2021 falls on Thursday 4 November. Amāvasyā runs from 03:34 on Thu 4 Nov to 00:15 on Fri 5 Nov and covers all of niśītha that night.

ahargana.org/riyadh/festivals/2021/kali-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 4 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 4 Nov
compat-drikpanchangComparison profileThu 4 Nov
No institution has a recorded ruling for Riyadh.

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 4thCoveredNiśītha 5thCoveredRuled
Los Angeles17:34 → 14:1500:130 min00:130 min3 Nov
Chicago19:34 → 16:1500:110 min00:110 min3 Nov
Jersey City20:34 → 17:1500:160 min00:160 min3 Nov
Port of Spain20:34 → 17:1523:260 min23:260 min3 Nov
London00:34 → 21:1523:210 min23:210 min3 Nov
Durban02:34 → 23:1523:150 min23:150 min3 Nov
Dubai04:34 → 01:1523:3848 min23:390 min4 Nov
Delhi06:04 → 02:4523:4148 min23:410 min4 Nov
Kolkata06:04 → 02:4522:5648 min22:560 min4 Nov
Singapore08:34 → 05:1500:2448 min00:240 min4 Nov
Sydney11:34 → 08:1500:1548 min00:150 min4 Nov
Suva12:34 → 09:1523:2648 min23:260 min4 Nov
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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