Ruling · Naraka Caturdaśī (Choti Diwali) · 2022

Monday 24 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 498 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 Monday 24 October

Taken. The only dawn Caturdaśī reaches.

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

105 of 105 minutes covered

Dawn of Tuesday 25 October

Caturdaśī is absent from aruṇodaya. Not taken.

04:52 aruṇodaya beginssunrise 06:38
04:2804:5205:1605:4006:0406:2806:52

0 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 20:34 on Sun 23 Oct to 19:58 on Mon 24 Oct.

    2022-10-23T12:33:49Z → 2022-10-24T11:57:37Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 04:52–06:37 on the 24th, 04:52–06:38 on the 25th.

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

  3. 03

    Rule

    Caturdaśī must be present during aruṇodaya. It covers 105 of 105 minutes on the 24th and 0 of 105 on the 25th.

    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 29862 s

  5. 05

    Ruling

    Naraka Caturdaśī, Baoding, 2022: Monday 24 October.

    confidence: determinate

Say it like this

In Baoding, Naraka Caturdaśī (Choti Diwali) 2022 falls on Monday 24 October. Caturdaśī runs from 20:34 on Sun 23 Oct to 19:58 on Mon 24 Oct and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2022/naraka-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 24 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 24 Oct
compat-drikpanchangComparison profileMon 24 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 23rdCoveredAruṇodaya 24thCoveredRuled
Los Angeles05:34 → 04:5805:2291 min05:220 min23 Oct
Chicago07:34 → 06:5805:270 min05:2790 min24 Oct
Jersey City08:34 → 07:5805:310 min05:32106 min24 Oct
Port of Spain08:34 → 07:5804:180 min04:1998 min24 Oct
London13:34 → 12:5805:480 min05:50111 min24 Oct
Durban14:34 → 13:5803:420 min03:4188 min24 Oct
Dubai16:34 → 15:5804:400 min04:41101 min24 Oct
Delhi18:04 → 17:2804:450 min04:46102 min24 Oct
Kolkata18:04 → 17:2803:560 min03:57100 min24 Oct
Singapore20:34 → 19:5805:110 min05:1195 min24 Oct
Sydney23:34 → 22:5804:380 min04:3787 min24 Oct
Suva00:34 → 23:5804:010 min04:0191 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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