Ruling · Naraka Caturdaśī (Choti Diwali) · 2088

Friday 12 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 323 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 11 November

Caturdaśī is absent from aruṇodaya. Not taken.

05:07 aruṇodaya beginssunrise 06:57
04:4305:0705:3105:5506:1906:4307:0707:31

0 of 111 minutes covered

Dawn of Friday 12 November

Taken. The only dawn Caturdaśī reaches.

05:08 aruṇodaya beginssunrise 06:58
04:4405:0805:3205:5606:2006:4407:0807:32

111 of 111 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 12:20 on Thu 11 Nov to 13:14 on Fri 12 Nov.

    2088-11-11T04:19:59Z → 2088-11-12T05:14:12Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:07–06:57 on the 11th, 05:08–06:58 on the 12th.

    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 111 minutes on the 11th and 111 of 111 on the 12th.

    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 19357 s

  5. 05

    Ruling

    Naraka Caturdaśī, Baoding, 2088: Friday 12 November.

    confidence: determinate

Say it like this

In Baoding, Naraka Caturdaśī (Choti Diwali) 2088 falls on Friday 12 November. Caturdaśī runs from 12:20 on Thu 11 Nov to 13:14 on Fri 12 Nov and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2088/naraka-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 12 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 12 Nov
compat-drikpanchangComparison profileFri 12 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 11thCoveredAruṇodaya 12thCoveredRuled
Los Angeles20:20 → 21:1404:35108 min04:360 min11 Nov
Chicago22:20 → 23:1404:45112 min04:450 min11 Nov
Jersey City23:20 → 00:1404:48112 min04:490 min11 Nov
Port of Spain00:20 → 01:1404:2299 min04:220 min11 Nov
London04:20 → 05:1405:14120 min05:150 min11 Nov
Durban06:20 → 07:1403:300 min03:3084 min12 Nov
Dubai08:20 → 09:1404:500 min04:50104 min12 Nov
Delhi09:50 → 10:4404:560 min04:57106 min12 Nov
Kolkata09:50 → 10:4404:040 min04:05103 min12 Nov
Singapore12:20 → 13:1405:120 min05:1296 min12 Nov
Sydney15:20 → 16:1404:240 min04:2482 min12 Nov
Suva16:20 → 17:1403:550 min03:5489 min12 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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