Ruling · Naraka Caturdaśī (Choti Diwali) · 2083

Tuesday 9 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 53 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 8 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

Dawn of Tuesday 9 November

Taken. The only dawn Caturdaśī reaches.

05:04 aruṇodaya beginssunrise 06:54
04:4005:0405:2805:5206:1606:4007:04

110 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 10:57 on Mon 8 Nov to 07:47 on Tue 9 Nov.

    2083-11-08T02:56:58Z → 2083-11-08T23:47:20Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:04–06:53 on the 8th, 05:04–06:54 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 0 of 110 minutes on the 8th and 110 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 3185 s

  5. 05

    Ruling

    Naraka Caturdaśī, Baoding, 2083: Tuesday 9 November.

    confidence: determinate

Say it like this

In Baoding, Naraka Caturdaśī (Choti Diwali) 2083 falls on Tuesday 9 November. Caturdaśī runs from 10:57 on Mon 8 Nov to 07:47 on Tue 9 Nov and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2083/naraka-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 9 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 9 Nov
compat-drikpanchangComparison profileTue 9 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 8thCoveredAruṇodaya 9thCoveredRuled
Los Angeles18:57 → 15:4704:32107 min04:330 min8 Nov
Chicago20:57 → 17:4704:41111 min04:420 min8 Nov
Jersey City21:57 → 18:4704:45111 min04:460 min8 Nov
Port of Spain22:57 → 19:4704:2199 min04:210 min8 Nov
London02:57 → 23:4705:09118 min05:100 min8 Nov
Durban04:57 → 01:4703:320 min03:320 min8 Nov
Dubai06:57 → 03:4704:480 min04:480 min8 Nov
Delhi08:27 → 05:1704:540 min04:5423 min9 Nov
Kolkata08:27 → 05:1704:030 min04:0374 min9 Nov
Singapore10:57 → 07:4705:110 min05:1196 min9 Nov
Sydney13:57 → 10:4704:260 min04:2683 min9 Nov
Suva14:57 → 11:4703:550 min03:5589 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

About Ahargaṇa