Ruling · Naraka Caturdaśī (Choti Diwali) · 1995

Monday 23 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 483 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 Sunday 22 October

Caturdaśī is absent from aruṇodaya. Not taken.

04:50 aruṇodaya beginssunrise 06:34
04:2604:5005:1405:3806:0206:2606:50

0 of 104 minutes covered

Dawn of Monday 23 October

Taken. The only dawn Caturdaśī reaches.

04:50 aruṇodaya beginssunrise 06:35
04:2604:5005:1405:3806:0206:2606:50

105 of 105 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 16:07 on Sun 22 Oct to 14:38 on Mon 23 Oct.

    1995-10-22T08:07:19Z → 1995-10-23T06:37:34Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 04:50–06:34 on the 22nd, 04:50–06:35 on the 23rd.

    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 104 minutes on the 22nd and 105 of 105 on the 23rd.

    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 28953 s

  5. 05

    Ruling

    Naraka Caturdaśī, Baoding, 1995: Monday 23 October.

    confidence: determinate

Say it like this

In Baoding, Naraka Caturdaśī (Choti Diwali) 1995 falls on Monday 23 October. Caturdaśī runs from 16:07 on Sun 22 Oct to 14:38 on Mon 23 Oct and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/1995/naraka-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 23 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 23 Oct
compat-drikpanchangComparison profileMon 23 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 22ndCoveredAruṇodaya 23rdCoveredRuled
Los Angeles01:07 → 23:3805:21103 min05:210 min22 Oct
Chicago03:07 → 01:3805:25105 min05:260 min22 Oct
Jersey City04:07 → 02:3805:30105 min05:310 min22 Oct
Port of Spain04:07 → 02:3804:1897 min04:180 min22 Oct
London08:07 → 06:3804:460 min04:48110 min23 Oct
Durban10:07 → 08:3803:430 min03:4288 min23 Oct
Dubai12:07 → 10:3804:400 min04:40101 min23 Oct
Delhi13:37 → 12:0804:450 min04:45102 min23 Oct
Kolkata13:37 → 12:0803:560 min03:56100 min23 Oct
Singapore16:07 → 14:3805:120 min05:1195 min23 Oct
Sydney18:07 → 16:3803:400 min03:3987 min23 Oct
Suva20:07 → 18:3804:020 min04:0291 min23 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

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