Ruling · Naraka Caturdaśī (Choti Diwali) · 1941

Sunday 19 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 7 min 03 s.

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 Sunday 19 October

Taken. The only dawn Caturdaśī reaches.

05:48 aruṇodaya beginssunrise 07:31
Caturdaśī begins 05:40:39
05:2405:4806:1206:3607:0007:2407:48

103 of 103 minutes covered

Dawn of Monday 20 October

Caturdaśī is absent from aruṇodaya. Not taken.

05:48 aruṇodaya beginssunrise 07:32
05:2405:4806:1206:3607:0007:2407:48

0 of 104 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 05:41 on Sun 19 Oct to 02:42 on Mon 20 Oct.

    1941-10-18T20:40:39Z → 1941-10-19T17:42:06Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:48–07:31 on the 19th, 05:48–07:32 on the 20th.

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

  3. 03

    Rule

    Caturdaśī must be present during aruṇodaya. It covers 103 of 103 minutes on the 19th and 0 of 104 on the 20th.

    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 423 s

  5. 05

    Ruling

    Naraka Caturdaśī, Baoding, 1941: Sunday 19 October.

    confidence: determinate

Say it like this

In Baoding, Naraka Caturdaśī (Choti Diwali) 1941 falls on Sunday 19 October. Caturdaśī runs from 05:41 on Sun 19 Oct to 02:42 on Mon 20 Oct and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/1941/naraka-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 19 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 19 Oct
compat-drikpanchangComparison profileSun 19 Oct
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 18thCoveredAruṇodaya 19thCoveredRuled
Los Angeles12:41 → 09:4204:190 min04:19102 min19 Oct
Chicago14:41 → 11:4204:220 min04:23104 min19 Oct
Jersey City15:41 → 12:4204:270 min04:28104 min19 Oct
Port of Spain16:41 → 13:4204:180 min04:1897 min19 Oct
London21:41 → 18:4205:420 min05:43108 min19 Oct
Durban22:41 → 19:4203:460 min03:4689 min19 Oct
Dubai00:41 → 21:4204:390 min04:39100 min19 Oct
Delhi03:11 → 00:1205:430 min05:43101 min19 Oct
Kolkata03:11 → 00:1204:550 min04:5599 min19 Oct
Singapore04:11 → 01:1204:420 min04:4295 min19 Oct
Sydney06:41 → 03:4203:430 min03:420 min20 Oct
Suva08:41 → 05:4204:040 min04:040 min20 Oct
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