Ruling · Naraka Caturdaśī (Choti Diwali) · 2041

Wednesday 23 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 51 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 Wednesday 23 October

Taken. Both dawns qualify; the rule takes the first.

04:51 aruṇodaya beginssunrise 06:36
Caturdaśī begins 05:44:42
04:2704:5105:1505:3906:0306:2706:51

51 of 105 minutes covered, the last 51

Dawn of Thursday 24 October

Qualifies with 105 of 105 minutes. Not taken.

04:52 aruṇodaya beginssunrise 06:37
04:2804:5205:1605:4006:0406:2806:52

105 of 105 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 05:45 on Wed 23 Oct to 07:49 on Thu 24 Oct.

    2041-10-22T21:44:42Z → 2041-10-23T23:48:38Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 04:51–06:36 on the 23rd, 04:52–06:37 on the 24th.

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

  3. 03

    Rule

    Caturdaśī must be present during aruṇodaya. It covers 51 of 105 minutes on the 23rd and 105 of 105 on the 24th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Both dawns qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 3073 s

  5. 05

    Ruling

    Naraka Caturdaśī, Baoding, 2041: Wednesday 23 October.

    confidence: determinate

Say it like this

In Baoding, Naraka Caturdaśī (Choti Diwali) 2041 falls on Wednesday 23 October. Caturdaśī runs from 05:45 on Wed 23 Oct to 07:49 on Thu 24 Oct and covers 51 of 105 minutes of aruṇodaya that dawn. It also reaches the next dawn for 105 minutes; by the rule the first dawn is taken.

ahargana.org/baoding/festivals/2041/naraka-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 23 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 23 Oct
compat-drikpanchangComparison profileWed 23 Oct
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 22ndCoveredAruṇodaya 23rdCoveredRuled
Los Angeles14:45 → 16:4905:210 min05:22103 min23 Oct
Chicago16:45 → 18:4905:260 min05:27106 min23 Oct
Jersey City17:45 → 19:4905:310 min05:32106 min23 Oct
Port of Spain17:45 → 19:4904:180 min04:1997 min23 Oct
London22:45 → 00:4905:480 min05:49110 min23 Oct
Durban23:45 → 01:4903:430 min03:4288 min23 Oct
Dubai01:45 → 03:4904:400 min04:41101 min23 Oct
Delhi03:15 → 05:1904:450 min04:45102 min23 Oct
Kolkata03:15 → 05:1903:560 min03:57100 min23 Oct
Singapore05:45 → 07:4905:120 min05:1162 min23 Oct
Sydney08:45 → 10:4904:390 min04:380 min24 Oct
Suva09:45 → 11:4904:020 min04:010 min24 Oct
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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