Ruling · Kālī Pūjā (Śyāmā Pūjā) · 2080

Sunday 10 November

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 0 min 23 s away. Say “contested”.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two nights

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

Night of Sunday 10 November

Taken. The only night Amāvasyā reaches.

niśītha begins 23:39  00:27 niśītha ends
Amāvasyā begins 00:20:30
22:5123:1523:3900:0300:2700:5101:15

6 of 48 minutes covered, the last 6

Night of Monday 11 November

Amāvasyā is absent from niśītha. Not taken.

niśītha begins 23:39  00:27 niśītha ends
Amāvasyā ends 23:38:20
22:5123:1523:3900:0300:2700:5101:15

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 00:21 on Mon 11 Nov to 23:38 on Mon 11 Nov.

    2080-11-10T16:20:31Z → 2080-11-11T15:38:20Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:39–00:27 on the 10th, 23:39–00:27 on the 11th.

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

  3. 03

    Rule

    Amāvasyā must be present during niśītha. It covers 6 of 48 minutes on the 10th and 0 of 48 on the 11th.

    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 23 s < 300 s

  5. 05

    Ruling

    Kālī Pūjā, Baoding, 2080: Sunday 10 November.

    confidence: boundary (margin)

Say it like this

In Baoding, Kālī Pūjā 2080 falls on Sunday 10 November. Amāvasyā runs from 00:21 on Mon 11 Nov to 23:38 on Mon 11 Nov and covers 6 of 48 minutes of niśītha that night. It is 0 min 23 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/2080/kali-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 10 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 10 Nov
compat-drikpanchangComparison profileSun 10 Nov
No institution has a recorded ruling for Baoding.

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 10thCoveredNiśītha 11thCoveredRuled
Los Angeles08:21 → 07:3823:1348 min23:140 min10 Nov
Chicago10:21 → 09:3823:1148 min23:110 min10 Nov
Jersey City11:21 → 10:3823:1748 min23:170 min10 Nov
Port of Spain12:21 → 11:3823:2648 min23:260 min10 Nov
London16:21 → 15:3823:2148 min23:210 min10 Nov
Durban18:21 → 17:3823:1648 min23:160 min10 Nov
Dubai20:21 → 19:3823:3948 min23:390 min10 Nov
Delhi21:51 → 21:0823:4148 min23:420 min10 Nov
Kolkata21:51 → 21:0822:5748 min22:570 min10 Nov
Singapore00:21 → 23:3800:2548 min00:250 min10 Nov
Sydney03:21 → 02:3800:150 min00:1548 min11 Nov
Suva04:21 → 03:3823:260 min23:2648 min11 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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