Ruling · Kālī Pūjā · 1927

Monday 24 October

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 1 min 22 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 Monday 24 October

Taken. The only night Amāvasyā reaches.

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

48 of 48 minutes covered

Night of Tuesday 25 October

Amāvasyā is absent from niśītha. Not taken.

niśītha begins 23:39  00:27 niśītha ends
Amāvasyā ends 23:37:19
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 21:04 on Mon 24 Oct to 23:37 on Tue 25 Oct.

    1927-10-24T13:03:55Z → 1927-10-25T15:37:19Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:39–00:27 on the 24th, 23:39–00:27 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 48 of 48 minutes on the 24th and 0 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 82 s < 300 s

  5. 05

    Ruling

    Kālī Pūjā, Baoding, 1927: Monday 24 October.

    confidence: boundary (margin)

Say it like this

In Baoding, Kālī Pūjā 1927 falls on Monday 24 October. Amāvasyā runs from 21:04 on Mon 24 Oct to 23:37 on Tue 25 Oct and covers all of niśītha that night. It is 1 min 22 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/1927/kali-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 24 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 24 Oct
compat-drikpanchangComparison profileMon 24 Oct
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 24thCoveredNiśītha 25thCoveredRuled
Los Angeles05:04 → 07:3723:1448 min23:130 min24 Oct
Chicago07:04 → 09:3723:1148 min23:110 min24 Oct
Jersey City08:04 → 10:3723:1748 min23:170 min24 Oct
Port of Spain09:04 → 11:3723:2648 min23:260 min24 Oct
London13:04 → 15:3723:2148 min23:210 min24 Oct
Durban15:04 → 17:3723:1648 min23:160 min24 Oct
Dubai17:04 → 19:3723:3948 min23:390 min24 Oct
Delhi18:34 → 21:0723:4248 min23:410 min24 Oct
Kolkata18:34 → 21:0722:5748 min22:570 min24 Oct
Singapore20:04 → 22:3723:2548 min23:250 min24 Oct
Sydney23:04 → 01:3723:1548 min23:1548 min24 Oct
Suva01:04 → 03:3723:270 min23:2648 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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