Ruling · Naraka Caturdaśī (Choti Diwali) · 1964

Tuesday 3 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 415 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 Monday 2 November

Caturdaśī is absent from aruṇodaya. Not taken.

04:58 aruṇodaya beginssunrise 06:46
04:3404:5805:2205:4606:1006:3406:58

0 of 108 minutes covered

Dawn of Tuesday 3 November

Taken. The only dawn Caturdaśī reaches.

04:59 aruṇodaya beginssunrise 06:47
04:3504:5905:2305:4706:1106:3506:59

108 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 13:42 on Mon 2 Nov to 14:15 on Tue 3 Nov.

    1964-11-02T05:41:42Z → 1964-11-03T06:14:41Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 04:58–06:46 on the 2nd, 04:59–06:47 on the 3rd.

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

  3. 03

    Rule

    Caturdaśī must be present during aruṇodaya. It covers 0 of 108 minutes on the 2nd and 108 of 108 on the 3rd.

    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 24926 s

  5. 05

    Ruling

    Naraka Caturdaśī, Baoding, 1964: Tuesday 3 November.

    confidence: determinate

Say it like this

In Baoding, Naraka Caturdaśī (Choti Diwali) 1964 falls on Tuesday 3 November. Caturdaśī runs from 13:42 on Mon 2 Nov to 14:15 on Tue 3 Nov and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/1964/naraka-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 3 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 3 Nov
compat-drikpanchangComparison profileTue 3 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 2ndCoveredAruṇodaya 3rdCoveredRuled
Los Angeles21:42 → 22:1504:28106 min04:290 min2 Nov
Chicago23:42 → 00:1504:35109 min04:360 min2 Nov
Jersey City00:42 → 01:1504:39109 min04:400 min2 Nov
Port of Spain01:42 → 02:1504:2098 min04:200 min2 Nov
London05:42 → 06:1505:0174 min05:0272 min2 Nov
Durban07:42 → 08:1503:350 min03:3586 min3 Nov
Dubai09:42 → 10:1504:450 min04:45103 min3 Nov
Delhi11:12 → 11:4504:500 min04:51104 min3 Nov
Kolkata11:12 → 11:4504:000 min04:00102 min3 Nov
Singapore13:12 → 13:4504:410 min04:4196 min3 Nov
Sydney15:42 → 16:1503:300 min03:3084 min3 Nov
Suva17:42 → 18:1503:570 min03:5790 min3 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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