Ruling · Naraka Caturdaśī (Choti Diwali) · 2089

Tuesday 1 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 288 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 Tuesday 1 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 Wednesday 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

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

How it was decided

  1. 01

    Aṅga

    Caturdaśī runs from 00:11 on Tue 1 Nov to 22:24 on Tue 1 Nov.

    2089-10-31T16:10:47Z → 2089-11-01T14:23:35Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 04:58–06:46 on the 1st, 04:59–06:47 on the 2nd.

    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 1st and 0 of 108 on the 2nd.

    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 17260 s

  5. 05

    Ruling

    Naraka Caturdaśī, Baoding, 2089: Tuesday 1 November.

    confidence: determinate

Say it like this

In Baoding, Naraka Caturdaśī (Choti Diwali) 2089 falls on Tuesday 1 November. Caturdaśī runs from 00:11 on Tue 1 Nov to 22:24 on Tue 1 Nov and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2089/naraka-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 1 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 1 Nov
compat-drikpanchangComparison profileTue 1 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 31stCoveredAruṇodaya 1stCoveredRuled
Los Angeles09:11 → 07:2405:270 min05:28106 min1 Nov
Chicago11:11 → 09:2405:340 min05:35109 min1 Nov
Jersey City12:11 → 10:2405:390 min05:39109 min1 Nov
Port of Spain12:11 → 10:2404:200 min04:2098 min1 Nov
London16:11 → 14:2405:000 min05:01115 min1 Nov
Durban18:11 → 16:2403:360 min03:3686 min1 Nov
Dubai20:11 → 18:2404:440 min04:45102 min1 Nov
Delhi21:41 → 19:5404:500 min04:50104 min1 Nov
Kolkata21:41 → 19:5404:000 min04:00102 min1 Nov
Singapore00:11 → 22:2405:110 min05:1195 min1 Nov
Sydney03:11 → 01:2404:310 min04:3184 min1 Nov
Suva04:11 → 02:2403:580 min03:5777 min1 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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