Ruling · Kālī Pūjā · 1921

Sunday 30 October

Determinatein Xining, under the Rashtriya Panchang method. Clear of every threshold by 377 minutes.

Decide it for

36°38′ N 101°45′ E · Asia/Shanghai · GeoNames 1788852

The two nights

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

Night of Saturday 29 October

Amāvasyā is absent from niśītha. Not taken.

niśītha begins 00:33  01:21 niśītha ends
23:4500:0900:3300:5701:2101:4502:09

0 of 48 minutes covered

Night of Sunday 30 October

Taken. The only night Amāvasyā reaches.

niśītha begins 00:33  01:21 niśītha ends
23:4500:0900:3300:5701:2101:4502:09

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 09:27 on Sun 30 Oct to 07:38 on Mon 31 Oct.

    1921-10-30T01:27:22Z → 1921-10-30T23:38:26Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 00:33–01:21 on the 29th, 00:33–01:21 on the 30th.

    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 29th and 48 of 48 on the 30th.

    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 22645 s

  5. 05

    Ruling

    Kālī Pūjā, Xining, 1921: Sunday 30 October.

    confidence: determinate

Say it like this

In Xining, Kālī Pūjā 1921 falls on Sunday 30 October. Amāvasyā runs from 09:27 on Sun 30 Oct to 07:38 on Mon 31 Oct and covers all of niśītha that night.

ahargana.org/xining/festivals/1921/kali-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 30 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 30 Oct
compat-drikpanchangComparison profileSun 30 Oct
No institution has a recorded ruling for Xining.

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 30thCoveredNiśītha 31stCoveredRuled
Los Angeles17:27 → 15:3823:130 min23:130 min29 Oct
Chicago20:27 → 17:3823:110 min23:110 min29 Oct
Jersey City20:27 → 18:3823:160 min23:160 min29 Oct
Port of Spain21:27 → 19:3823:260 min23:260 min29 Oct
London01:27 → 23:3823:2118 min23:210 min30 Oct
Durban03:27 → 01:3823:1548 min23:150 min30 Oct
Dubai05:27 → 03:3823:3948 min23:390 min30 Oct
Delhi06:57 → 05:0823:4148 min23:410 min30 Oct
Kolkata06:57 → 05:0822:5648 min22:560 min30 Oct
Singapore08:27 → 06:3823:2448 min23:240 min30 Oct
Sydney11:27 → 09:3823:1548 min23:150 min30 Oct
Suva13:27 → 11:3823:2648 min23:260 min30 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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