Ruling · Naraka Caturdaśī (Choti Diwali) · 2051

Thursday 2 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 521 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 2 November

Taken. The only dawn Caturdaśī reaches.

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

108 of 108 minutes covered

Dawn of Friday 3 November

Caturdaśī is absent from aruṇodaya. Not taken.

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

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 17:36 on Wed 1 Nov to 20:18 on Thu 2 Nov.

    2051-11-01T09:35:43Z → 2051-11-02T12:17:57Z

  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 108 of 108 minutes on the 2nd and 0 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 31275 s

  5. 05

    Ruling

    Naraka Caturdaśī, Baoding, 2051: Thursday 2 November.

    confidence: determinate

Say it like this

In Baoding, Naraka Caturdaśī (Choti Diwali) 2051 falls on Thursday 2 November. Caturdaśī runs from 17:36 on Wed 1 Nov to 20:18 on Thu 2 Nov and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2051/naraka-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 2 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 2 Nov
compat-drikpanchangComparison profileThu 2 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 1stCoveredAruṇodaya 2ndCoveredRuled
Los Angeles02:36 → 05:1805:27106 min05:280 min1 Nov
Chicago04:36 → 07:1805:34109 min05:35103 min1 Nov
Jersey City05:36 → 08:1805:39108 min05:39109 min1 Nov
Port of Spain05:36 → 08:1804:1922 min04:2098 min1 Nov
London09:36 → 12:1805:000 min05:01115 min2 Nov
Durban11:36 → 14:1803:360 min03:3586 min2 Nov
Dubai13:36 → 16:1804:440 min04:44103 min2 Nov
Delhi15:06 → 17:4804:500 min04:50104 min2 Nov
Kolkata15:06 → 17:4804:000 min04:00102 min2 Nov
Singapore17:36 → 20:1805:110 min05:1195 min2 Nov
Sydney20:36 → 23:1804:310 min04:3084 min2 Nov
Suva21:36 → 00:1803:570 min03:5790 min2 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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