Ruling · Naraka Caturdaśī (Choti Diwali) · 2048

Thursday 5 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 516 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 4 November

Caturdaśī is absent from aruṇodaya. Not taken.

05:01 aruṇodaya beginssunrise 06:49
04:3705:0105:2505:4906:1306:3707:01

0 of 109 minutes covered

Dawn of Thursday 5 November

Taken. The only dawn Caturdaśī reaches.

05:01 aruṇodaya beginssunrise 06:50
04:3705:0105:2505:4906:1306:3707:01

109 of 109 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 17:49 on Wed 4 Nov to 15:26 on Thu 5 Nov.

    2048-11-04T09:48:36Z → 2048-11-05T07:26:19Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:01–06:49 on the 4th, 05:01–06:50 on the 5th.

    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 4th and 109 of 109 on the 5th.

    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 30966 s

  5. 05

    Ruling

    Naraka Caturdaśī, Baoding, 2048: Thursday 5 November.

    confidence: determinate

Say it like this

In Baoding, Naraka Caturdaśī (Choti Diwali) 2048 falls on Thursday 5 November. Caturdaśī runs from 17:49 on Wed 4 Nov to 15:26 on Thu 5 Nov and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2048/naraka-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 5 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 5 Nov
compat-drikpanchangComparison profileThu 5 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 4thCoveredAruṇodaya 5thCoveredRuled
Los Angeles01:49 → 23:2604:30107 min04:300 min4 Nov
Chicago03:49 → 01:2604:38110 min04:390 min4 Nov
Jersey City04:49 → 02:2604:42103 min04:430 min4 Nov
Port of Spain05:49 → 03:2604:2010 min04:200 min4 Nov
London09:49 → 07:2605:040 min05:06117 min5 Nov
Durban11:49 → 09:2603:340 min03:3385 min5 Nov
Dubai13:49 → 11:2604:460 min04:46103 min5 Nov
Delhi15:19 → 12:5604:520 min04:52104 min5 Nov
Kolkata15:19 → 12:5604:010 min04:01102 min5 Nov
Singapore17:49 → 15:2605:110 min05:1196 min5 Nov
Sydney20:49 → 18:2604:280 min04:2883 min5 Nov
Suva21:49 → 19:2603:560 min03:5689 min5 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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