Ruling · Naraka Caturdaśī (Choti Diwali) · 1946

Wednesday 23 October

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

04:50 aruṇodaya beginssunrise 06:35
Caturdaśī begins 05:41:53
04:2604:5005:1405:3806:0206:2606:50

53 of 105 minutes covered, the last 53

Dawn of Thursday 24 October

Qualifies with 92 of 105 minutes. Not taken.

04:51 aruṇodaya beginssunrise 06:36
Caturdaśī ends 06:22:41
04:2704:5105:1505:3906:0306:2706:51

92 of 105 minutes covered, the first 92

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

How it was decided

  1. 01

    Aṅga

    Caturdaśī runs from 05:42 on Wed 23 Oct to 06:23 on Thu 24 Oct.

    1946-10-22T21:41:54Z → 1946-10-23T22:22:42Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 04:50–06:35 on the 23rd, 04:51–06:36 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 53 of 105 minutes on the 23rd and 92 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 796 s

  5. 05

    Ruling

    Naraka Caturdaśī, Baoding, 1946: Wednesday 23 October.

    confidence: determinate

Say it like this

In Baoding, Naraka Caturdaśī (Choti Diwali) 1946 falls on Wednesday 23 October. Caturdaśī runs from 05:42 on Wed 23 Oct to 06:23 on Thu 24 Oct and covers 53 of 105 minutes of aruṇodaya that dawn. It also reaches the next dawn for 92 minutes; by the rule the first dawn is taken.

ahargana.org/baoding/festivals/1946/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 Angeles13:42 → 14:2304:210 min04:21103 min23 Oct
Chicago15:42 → 16:2304:250 min04:26106 min23 Oct
Jersey City16:42 → 17:2304:300 min04:31105 min23 Oct
Port of Spain17:42 → 18:2304:180 min04:1897 min23 Oct
London21:42 → 22:2304:460 min04:48110 min23 Oct
Durban23:42 → 00:2303:430 min03:4388 min23 Oct
Dubai01:42 → 02:2304:400 min04:40101 min23 Oct
Delhi03:12 → 03:5304:450 min04:45102 min23 Oct
Kolkata03:12 → 03:5303:560 min03:56100 min23 Oct
Singapore05:12 → 05:5304:420 min04:4265 min23 Oct
Sydney07:42 → 08:2303:400 min03:390 min24 Oct
Suva09:42 → 10:2304:020 min04:020 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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