Ruling · Naraka Caturdaśī (Choti Diwali) · 2023

Sunday 12 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 572 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 Saturday 11 November

Caturdaśī is absent from aruṇodaya. Not taken.

05:06 aruṇodaya beginssunrise 06:56
04:4205:0605:3005:5406:1806:4207:0607:30

0 of 110 minutes covered

Dawn of Sunday 12 November

Taken. The only dawn Caturdaśī reaches.

05:06 aruṇodaya beginssunrise 06:57
04:4205:0605:3005:5406:1806:4207:0607:30

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 16:28 on Sat 11 Nov to 17:15 on Sun 12 Nov.

    2023-11-11T08:28:16Z → 2023-11-12T09:15:22Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:06–06:56 on the 11th, 05:06–06:57 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 110 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 34348 s

  5. 05

    Ruling

    Naraka Caturdaśī, Baoding, 2023: Sunday 12 November.

    confidence: determinate

Say it like this

In Baoding, Naraka Caturdaśī (Choti Diwali) 2023 falls on Sunday 12 November. Caturdaśī runs from 16:28 on Sat 11 Nov to 17:15 on Sun 12 Nov and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2023/naraka-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 12 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 12 Nov
compat-drikpanchangComparison profileSun 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 Angeles00:28 → 01:1504:34108 min04:350 min11 Nov
Chicago02:28 → 03:1504:43112 min04:440 min11 Nov
Jersey City03:28 → 04:1504:47111 min04:480 min11 Nov
Port of Spain04:28 → 05:1504:2292 min04:2254 min11 Nov
London08:28 → 09:1505:120 min05:14119 min12 Nov
Durban10:28 → 11:1503:310 min03:3084 min12 Nov
Dubai12:28 → 13:1504:490 min04:49104 min12 Nov
Delhi13:58 → 14:4504:550 min04:56106 min12 Nov
Kolkata13:58 → 14:4504:040 min04:04103 min12 Nov
Singapore16:28 → 17:1505:110 min05:1196 min12 Nov
Sydney19:28 → 20:1504:250 min04:2482 min12 Nov
Suva20:28 → 21:1503:550 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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