Ruling · Naraka Caturdaśī (Choti Diwali) · 2045

Wednesday 8 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 46 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 7 November

Caturdaśī is absent from aruṇodaya. Not taken.

05:03 aruṇodaya beginssunrise 06:52
04:3905:0305:2705:5106:1506:3907:03

0 of 109 minutes covered

Dawn of Wednesday 8 November

Taken. The only dawn Caturdaśī reaches.

05:04 aruṇodaya beginssunrise 06:53
04:4005:0405:2805:5206:1606:4007:04

110 of 110 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 09:48 on Tue 7 Nov to 07:39 on Wed 8 Nov.

    2045-11-07T01:47:54Z → 2045-11-07T23:39:02Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:03–06:52 on the 7th, 05:04–06:53 on the 8th.

    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 109 minutes on the 7th and 110 of 110 on the 8th.

    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 2748 s

  5. 05

    Ruling

    Naraka Caturdaśī, Baoding, 2045: Wednesday 8 November.

    confidence: determinate

Say it like this

In Baoding, Naraka Caturdaśī (Choti Diwali) 2045 falls on Wednesday 8 November. Caturdaśī runs from 09:48 on Tue 7 Nov to 07:39 on Wed 8 Nov and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2045/naraka-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 8 Nov
Ahargaṇa, classicalDisc centre, no refractionWed 8 Nov
compat-drikpanchangComparison profileWed 8 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 7thCoveredAruṇodaya 8thCoveredRuled
Los Angeles17:48 → 15:3904:32107 min04:320 min7 Nov
Chicago19:48 → 17:3904:40111 min04:410 min7 Nov
Jersey City20:48 → 18:3904:44110 min04:450 min7 Nov
Port of Spain21:48 → 19:3904:2199 min04:210 min7 Nov
London01:48 → 23:3905:08118 min05:090 min7 Nov
Durban03:48 → 01:3903:3269 min03:320 min7 Nov
Dubai05:48 → 03:3904:4743 min04:470 min7 Nov
Delhi07:18 → 05:0904:530 min04:5415 min8 Nov
Kolkata07:18 → 05:0904:020 min04:0366 min8 Nov
Singapore09:48 → 07:3905:110 min05:1196 min8 Nov
Sydney12:48 → 10:3904:270 min04:2683 min8 Nov
Suva13:48 → 11:3903:550 min03:5589 min8 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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