Ruling · Kālī Pūjā · 1973

Thursday 25 October

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 676 minutes.

Decide it for

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two nights

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

Night of Wednesday 24 October

Amāvasyā is absent from niśītha. Not taken.

niśītha begins 23:01  23:49 niśītha ends
22:1322:3723:0123:2523:4900:1300:37

0 of 48 minutes covered

Night of Thursday 25 October

Taken. The only night Amāvasyā reaches.

niśītha begins 23:01  23:49 niśītha ends
22:1322:3723:0123:2523:4900:1300:37

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 11:04 on Thu 25 Oct to 11:17 on Fri 26 Oct.

    1973-10-25T03:04:11Z → 1973-10-26T03:16:30Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:01–23:49 on the 24th, 23:01–23:49 on the 25th.

    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 24th and 48 of 48 on the 25th.

    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 40532 s

  5. 05

    Ruling

    Kālī Pūjā, Daqing, 1973: Thursday 25 October.

    confidence: determinate

Say it like this

In Daqing, Kālī Pūjā 1973 falls on Thursday 25 October. Amāvasyā runs from 11:04 on Thu 25 Oct to 11:17 on Fri 26 Oct and covers all of niśītha that night.

ahargana.org/daqing/festivals/1973/kali-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 25 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 25 Oct
compat-drikpanchangComparison profileThu 25 Oct
No institution has a recorded ruling for Daqing.

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 Angeles20:04 → 20:1700:130 min00:130 min24 Oct
Chicago22:04 → 22:1700:110 min00:110 min24 Oct
Jersey City23:04 → 23:1700:170 min00:170 min24 Oct
Port of Spain23:04 → 23:1723:260 min23:260 min24 Oct
London04:04 → 04:1700:2148 min00:210 min25 Oct
Durban05:04 → 05:1723:1648 min23:160 min25 Oct
Dubai07:04 → 07:1723:3948 min23:390 min25 Oct
Delhi08:34 → 08:4723:4148 min23:410 min25 Oct
Kolkata08:34 → 08:4722:5748 min22:570 min25 Oct
Singapore10:34 → 10:4723:5548 min23:550 min25 Oct
Sydney13:04 → 13:1723:1548 min23:150 min25 Oct
Suva15:04 → 15:1723:2648 min23:260 min25 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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