Ruling · Naraka Caturdaśī (Choti Diwali) · 2097

Sunday 3 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 162 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 Saturday 2 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

Dawn of Sunday 3 November

Taken. The only dawn Caturdaśī reaches.

05:00 aruṇodaya beginssunrise 06:48
04:3605:0005:2405:4806:1206:3607:00

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 09:30 on Sat 2 Nov to 09:36 on Sun 3 Nov.

    2097-11-02T01:29:38Z → 2097-11-03T01:36:11Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 04:59–06:47 on the 2nd, 05:00–06:48 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 9738 s

  5. 05

    Ruling

    Naraka Caturdaśī, Baoding, 2097: Sunday 3 November.

    confidence: determinate

Say it like this

In Baoding, Naraka Caturdaśī (Choti Diwali) 2097 falls on Sunday 3 November. Caturdaśī runs from 09:30 on Sat 2 Nov to 09:36 on Sun 3 Nov and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2097/naraka-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 3 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 3 Nov
compat-drikpanchangComparison profileSun 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 Angeles18:30 → 18:3605:29106 min04:300 min2 Nov
Chicago20:30 → 20:3605:36110 min04:370 min2 Nov
Jersey City21:30 → 21:3605:40109 min04:410 min2 Nov
Port of Spain21:30 → 21:3604:2098 min04:200 min2 Nov
London01:30 → 01:3605:02115 min05:040 min2 Nov
Durban03:30 → 03:3603:3586 min03:342 min2 Nov
Dubai05:30 → 05:3604:4558 min04:4651 min2 Nov
Delhi07:00 → 07:0604:510 min04:51104 min3 Nov
Kolkata07:00 → 07:0604:010 min04:01102 min3 Nov
Singapore09:30 → 09:3605:110 min05:1196 min3 Nov
Sydney12:30 → 12:3604:300 min04:2984 min3 Nov
Suva13:30 → 13:3603:570 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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