Ruling · Kālī Pūjā · 1903

Monday 19 October

Boundaryin Baoding, under the Rashtriya Panchang method. Amāvasyā reaches niśītha on neither day and the rule does not say what then. 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 19 October

Taken. Amāvasyā reaches neither night; this is the day it falls on.

niśītha begins 23:40  00:28 niśītha ends
Amāvasyā begins 01:11:21
22:5223:1623:4000:0400:2800:5201:16

0 of 48 minutes covered

Night of Tuesday 20 October

Amāvasyā is absent from niśītha. Not taken.

niśītha begins 23:39  00:27 niśītha ends
Amāvasyā ends 23:30:17
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 01:11 on Tue 20 Oct to 23:30 on Tue 20 Oct.

    1903-10-19T17:11:22Z → 1903-10-20T15:30:17Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:40–00:28 on the 19th, 23:39–00:27 on the 20th.

    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 19th and 0 of 48 on the 20th.

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

  4. 04

    Tie-break

    Neither night qualifies. The day the tithi falls on is taken.

    priority: unstated → tithi-day · margin 551 s

  5. 05

    Ruling

    Kālī Pūjā, Baoding, 1903: Monday 19 October.

    confidence: boundary (absent-unstated)

Say it like this

In Baoding, Kālī Pūjā 1903 falls on Monday 19 October. Amāvasyā runs from 01:11 on Tue 20 Oct to 23:30 on Tue 20 Oct, and reaches niśītha on neither day.

ahargana.org/baoding/festivals/1903/kali-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 19 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 19 Oct
compat-drikpanchangComparison profileMon 19 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 19thCoveredNiśītha 20thCoveredRuled
Los Angeles09:11 → 07:3023:1448 min23:140 min19 Oct
Chicago11:11 → 09:3023:1248 min23:120 min19 Oct
Jersey City12:11 → 10:3023:1848 min23:180 min19 Oct
Port of Spain13:11 → 11:3023:2748 min23:270 min19 Oct
London17:11 → 15:3023:2248 min23:220 min19 Oct
Durban19:11 → 17:3023:1748 min23:170 min19 Oct
Dubai20:52 → 19:1123:2148 min23:210 min19 Oct
Delhi22:32 → 20:5123:3348 min23:330 min19 Oct
Kolkata22:32 → 20:5122:4948 min22:490 min19 Oct
Singapore00:06 → 22:2523:212 min23:210 min19 Oct
Sydney03:11 → 01:3023:160 min23:1648 min20 Oct
Suva05:06 → 03:2523:220 min23:2248 min20 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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