Ruling · Naraka Caturdaśī (Choti Diwali) · 2007

Thursday 8 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 33 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 Thursday 8 November

Taken. The only dawn Caturdaśī reaches.

05:03 aruṇodaya beginssunrise 06:52
04:3905:0305:2705:5106:1506:3907:03

109 of 109 minutes covered

Dawn of Friday 9 November

Caturdaśī is absent from aruṇodaya. Not taken.

05:04 aruṇodaya beginssunrise 06:53
04:4005:0405:2805:5206:1606:4007:04

0 of 110 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 01:58 on Thu 8 Nov to 04:30 on Fri 9 Nov.

    2007-11-07T17:57:43Z → 2007-11-08T20:30:24Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:03–06:52 on the 8th, 05:04–06:53 on the 9th.

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

  3. 03

    Rule

    Caturdaśī must be present during aruṇodaya. It covers 109 of 109 minutes on the 8th and 0 of 110 on the 9th.

    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 2004 s

  5. 05

    Ruling

    Naraka Caturdaśī, Baoding, 2007: Thursday 8 November.

    confidence: determinate

Say it like this

In Baoding, Naraka Caturdaśī (Choti Diwali) 2007 falls on Thursday 8 November. Caturdaśī runs from 01:58 on Thu 8 Nov to 04:30 on Fri 9 Nov and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2007/naraka-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 8 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 8 Nov
compat-drikpanchangComparison profileThu 8 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 7thCoveredAruṇodaya 8thCoveredRuled
Los Angeles09:58 → 12:3004:310 min04:32107 min8 Nov
Chicago11:58 → 14:3004:390 min04:40111 min8 Nov
Jersey City12:58 → 15:3004:430 min04:44111 min8 Nov
Port of Spain13:58 → 16:3004:210 min04:2199 min8 Nov
London17:58 → 20:3005:070 min05:08118 min8 Nov
Durban19:58 → 22:3003:330 min03:3285 min8 Nov
Dubai21:58 → 00:3004:470 min04:47103 min8 Nov
Delhi23:28 → 02:0004:530 min04:53105 min8 Nov
Kolkata23:28 → 02:0004:020 min04:02103 min8 Nov
Singapore01:58 → 04:3005:110 min05:1196 min8 Nov
Sydney04:58 → 07:3004:270 min04:2752 min8 Nov
Suva05:58 → 08:3003:560 min03:550 min9 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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