Ruling · Naraka Caturdaśī (Choti Diwali) · 2039

Tuesday 15 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 555 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 15 November

Taken. The only dawn Caturdaśī reaches.

05:09 aruṇodaya beginssunrise 07:00
04:4505:0905:3305:5706:2106:4507:0907:33

111 of 111 minutes covered

Dawn of Wednesday 16 November

Caturdaśī is absent from aruṇodaya. Not taken.

05:10 aruṇodaya beginssunrise 07:01
04:4605:1005:3405:5806:2206:4607:1007:34

0 of 112 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 19:54 on Mon 14 Nov to 17:01 on Tue 15 Nov.

    2039-11-14T11:53:57Z → 2039-11-15T09:00:42Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:09–07:00 on the 15th, 05:10–07:01 on the 16th.

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

  3. 03

    Rule

    Caturdaśī must be present during aruṇodaya. It covers 111 of 111 minutes on the 15th and 0 of 112 on the 16th.

    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 33305 s

  5. 05

    Ruling

    Naraka Caturdaśī, Baoding, 2039: Tuesday 15 November.

    confidence: determinate

Say it like this

In Baoding, Naraka Caturdaśī (Choti Diwali) 2039 falls on Tuesday 15 November. Caturdaśī runs from 19:54 on Mon 14 Nov to 17:01 on Tue 15 Nov and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2039/naraka-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 15 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 15 Nov
compat-drikpanchangComparison profileTue 15 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 14thCoveredAruṇodaya 15thCoveredRuled
Los Angeles03:54 → 01:0104:36109 min04:370 min14 Nov
Chicago05:54 → 03:0104:4645 min04:470 min14 Nov
Jersey City06:54 → 04:0104:500 min04:510 min14 Nov
Port of Spain07:54 → 05:0104:220 min04:2338 min15 Nov
London11:54 → 09:0105:160 min05:18121 min15 Nov
Durban13:54 → 11:0103:300 min03:2983 min15 Nov
Dubai15:54 → 13:0104:500 min04:51105 min15 Nov
Delhi17:24 → 14:3104:570 min04:58106 min15 Nov
Kolkata17:24 → 14:3104:050 min04:06103 min15 Nov
Singapore19:54 → 17:0105:120 min05:1296 min15 Nov
Sydney22:54 → 20:0104:230 min04:2381 min15 Nov
Suva23:54 → 21:0103:540 min03:5488 min15 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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