Ruling · Naraka Caturdaśī (Choti Diwali) · 2003

Friday 24 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 94 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 Friday 24 October

Taken. The only dawn Caturdaśī reaches.

04:51 aruṇodaya beginssunrise 06:36
04:2704:5105:1505:3906:0306:2706:51

105 of 105 minutes covered

Dawn of Saturday 25 October

Caturdaśī is absent from aruṇodaya. Not taken.

04:52 aruṇodaya beginssunrise 06:37
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 03:18 on Fri 24 Oct to 00:14 on Sat 25 Oct.

    2003-10-23T19:17:45Z → 2003-10-24T16:13:41Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 04:51–06:36 on the 24th, 04:52–06:37 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 5610 s

  5. 05

    Ruling

    Naraka Caturdaśī, Baoding, 2003: Friday 24 October.

    confidence: determinate

Say it like this

In Baoding, Naraka Caturdaśī (Choti Diwali) 2003 falls on Friday 24 October. Caturdaśī runs from 03:18 on Fri 24 Oct to 00:14 on Sat 25 Oct and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2003/naraka-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 24 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 24 Oct
compat-drikpanchangComparison profileFri 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 Angeles12:18 → 09:1405:220 min05:22103 min24 Oct
Chicago14:18 → 11:1405:260 min05:27106 min24 Oct
Jersey City15:18 → 12:1405:310 min05:32106 min24 Oct
Port of Spain15:18 → 12:1404:180 min04:1997 min24 Oct
London20:18 → 17:1405:480 min05:49110 min24 Oct
Durban21:18 → 18:1403:420 min03:4288 min24 Oct
Dubai23:18 → 20:1404:400 min04:41101 min24 Oct
Delhi00:48 → 21:4404:450 min04:46102 min24 Oct
Kolkata00:48 → 21:4403:560 min03:57100 min24 Oct
Singapore03:18 → 00:1405:110 min05:1195 min24 Oct
Sydney05:18 → 02:1403:390 min03:380 min24 Oct
Suva07:18 → 04:1404:020 min04:010 min25 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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