Ruling · Naraka Caturdaśī (Choti Diwali) · 1955

Sunday 13 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 599 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 12 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 13 November

Taken. The only dawn Caturdaśī reaches.

05:07 aruṇodaya beginssunrise 06:58
04:4305:0705:3105:5506:1906:4307:0707:31

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 16:56 on Sat 12 Nov to 18:16 on Sun 13 Nov.

    1955-11-12T08:55:55Z → 1955-11-13T10:15:48Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:06–06:56 on the 12th, 05:07–06:58 on the 13th.

    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 12th and 111 of 111 on the 13th.

    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 35969 s

  5. 05

    Ruling

    Naraka Caturdaśī, Baoding, 1955: Sunday 13 November.

    confidence: determinate

Say it like this

In Baoding, Naraka Caturdaśī (Choti Diwali) 1955 falls on Sunday 13 November. Caturdaśī runs from 16:56 on Sat 12 Nov to 18:16 on Sun 13 Nov and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/1955/naraka-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 13 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 13 Nov
compat-drikpanchangComparison profileSun 13 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 12thCoveredAruṇodaya 13thCoveredRuled
Los Angeles00:56 → 02:1604:34108 min04:350 min12 Nov
Chicago02:56 → 04:1604:44112 min04:450 min12 Nov
Jersey City03:56 → 05:1604:48112 min04:4827 min12 Nov
Port of Spain04:56 → 06:1604:2265 min04:2299 min12 Nov
London08:56 → 10:1605:130 min05:14120 min13 Nov
Durban10:56 → 12:1603:310 min03:3084 min13 Nov
Dubai12:56 → 14:1604:490 min04:50104 min13 Nov
Delhi14:26 → 15:4604:550 min04:56106 min13 Nov
Kolkata14:26 → 15:4604:040 min04:04103 min13 Nov
Singapore16:26 → 17:4604:410 min04:4296 min13 Nov
Sydney18:56 → 20:1603:250 min03:2482 min13 Nov
Suva20:56 → 22:1603:550 min03:5489 min13 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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