Ruling · Naraka Caturdaśī (Choti Diwali) · 2001

Wednesday 14 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 578 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 13 November

Caturdaśī is absent from aruṇodaya. Not taken.

05:08 aruṇodaya beginssunrise 06:58
04:4405:0805:3205:5606:2006:4407:0807:32

0 of 111 minutes covered

Dawn of Wednesday 14 November

Taken. The only dawn Caturdaśī reaches.

05:08 aruṇodaya beginssunrise 07:00
04:4405:0805:3205:5606:2006:4407:0807:32

111 of 111 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 18:56 on Tue 13 Nov to 16:38 on Wed 14 Nov.

    2001-11-13T10:56:22Z → 2001-11-14T08:37:31Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:08–06:58 on the 13th, 05:08–07:00 on the 14th.

    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 111 minutes on the 13th and 111 of 111 on the 14th.

    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 34679 s

  5. 05

    Ruling

    Naraka Caturdaśī, Baoding, 2001: Wednesday 14 November.

    confidence: determinate

Say it like this

In Baoding, Naraka Caturdaśī (Choti Diwali) 2001 falls on Wednesday 14 November. Caturdaśī runs from 18:56 on Tue 13 Nov to 16:38 on Wed 14 Nov and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2001/naraka-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 14 Nov
Ahargaṇa, classicalDisc centre, no refractionWed 14 Nov
compat-drikpanchangComparison profileWed 14 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 13thCoveredAruṇodaya 14thCoveredRuled
Los Angeles02:56 → 00:3804:36108 min04:360 min13 Nov
Chicago04:56 → 02:3804:45102 min04:460 min13 Nov
Jersey City05:56 → 03:3804:4945 min04:500 min13 Nov
Port of Spain06:56 → 04:3804:220 min04:2315 min14 Nov
London10:56 → 08:3805:150 min05:17120 min14 Nov
Durban12:56 → 10:3803:300 min03:2983 min14 Nov
Dubai14:56 → 12:3804:500 min04:50104 min14 Nov
Delhi16:26 → 14:0804:560 min04:57106 min14 Nov
Kolkata16:26 → 14:0804:050 min04:05103 min14 Nov
Singapore18:56 → 16:3805:120 min05:1296 min14 Nov
Sydney21:56 → 19:3804:240 min04:2381 min14 Nov
Suva22:56 → 20:3803:540 min03:5489 min14 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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