Ruling · Naraka Caturdaśī (Choti Diwali) · 1926

Thursday 4 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 456 minutes.

Decide it for

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

The two dawns

One ghaṭī is 24 minutes. Aruṇodaya is 2 muhūrtas before sunrise.

Dawn of Thursday 4 November

Taken. The only dawn Caturdaśī reaches.

04:59 aruṇodaya beginssunrise 06:48
04:3504:5905:2305:4706:1106:3506:59

108 of 108 minutes covered

Dawn of Friday 5 November

Caturdaśī is absent from aruṇodaya. Not taken.

05:00 aruṇodaya beginssunrise 06:49
04:3605:0005:2405:4806:1206:3607:00

0 of 108 minutes covered

Caturdaśī presentAruṇodaya, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Caturdaśī runs from 19:49 on Wed 3 Nov to 21:24 on Thu 4 Nov.

    1926-11-03T11:48:54Z → 1926-11-04T13:24:19Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 04:59–06:48 on the 4th, 05:00–06:49 on the 5th.

    arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Caturdaśī must be present during aruṇodaya. It covers 108 of 108 minutes on the 4th and 0 of 108 on the 5th.

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

  4. 04

    Tie-break

    Only one dawn qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 27359 s

  5. 05

    Ruling

    Naraka Caturdaśī, Baoding, 1926: Thursday 4 November.

    confidence: determinate

Say it like this

In Baoding, Naraka Caturdaśī (Choti Diwali) 1926 falls on Thursday 4 November. Caturdaśī runs from 19:49 on Wed 3 Nov to 21:24 on Thu 4 Nov and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/1926/naraka-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 4 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 4 Nov
compat-drikpanchangComparison profileThu 4 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/naraka-chaturdashi · ruleset 2026.3-draft

Month
Āśvina, amānta
Pakṣa · aṅga
Kṛṣṇa · Caturdaśī
Kāla
Aruṇodaya
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 104

“K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceCaturdaśīAruṇodaya 3rdCoveredAruṇodaya 4thCoveredRuled
Los Angeles03:49 → 05:2404:28106 min04:2955 min3 Nov
Chicago05:49 → 07:2404:3636 min04:36110 min3 Nov
Jersey City06:49 → 08:2404:400 min04:41109 min4 Nov
Port of Spain07:49 → 09:2404:200 min04:2098 min4 Nov
London11:49 → 13:2405:010 min05:03116 min4 Nov
Durban13:49 → 15:2403:350 min03:3586 min4 Nov
Dubai15:49 → 17:2404:450 min04:45103 min4 Nov
Delhi17:19 → 18:5404:500 min04:51104 min4 Nov
Kolkata17:19 → 18:5404:000 min04:00102 min4 Nov
Singapore18:49 → 20:2404:110 min04:1196 min4 Nov
Sydney21:49 → 23:2403:300 min03:2984 min4 Nov
Suva23:49 → 01:2403:570 min03:5790 min4 Nov
Profile · tradition
pac-rp@2026.1 · smarta
Rule
naraka-chaturdashi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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