Ruling · Naraka Caturdaśī (Choti Diwali) · 2084

Saturday 28 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 532 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 28 October

Taken. The only dawn Caturdaśī reaches.

04:55 aruṇodaya beginssunrise 06:42
04:3104:5505:1905:4306:0706:3106:55

107 of 107 minutes covered

Dawn of Sunday 29 October

Caturdaśī is absent from aruṇodaya. Not taken.

04:56 aruṇodaya beginssunrise 06:43
04:3204:5605:2005:4406:0806:3206:56

0 of 107 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 20:03 on Fri 27 Oct to 19:12 on Sat 28 Oct.

    2084-10-27T12:03:10Z → 2084-10-28T11:12:22Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 04:55–06:42 on the 28th, 04:56–06:43 on the 29th.

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

  3. 03

    Rule

    Caturdaśī must be present during aruṇodaya. It covers 107 of 107 minutes on the 28th and 0 of 107 on the 29th.

    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 31938 s

  5. 05

    Ruling

    Naraka Caturdaśī, Baoding, 2084: Saturday 28 October.

    confidence: determinate

Say it like this

In Baoding, Naraka Caturdaśī (Choti Diwali) 2084 falls on Saturday 28 October. Caturdaśī runs from 20:03 on Fri 27 Oct to 19:12 on Sat 28 Oct and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2084/naraka-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 28 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 28 Oct
compat-drikpanchangComparison profileSat 28 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 27thCoveredAruṇodaya 28thCoveredRuled
Los Angeles05:03 → 04:1205:25105 min05:260 min27 Oct
Chicago07:03 → 06:1205:3116 min05:3240 min27 Oct
Jersey City08:03 → 07:1205:350 min05:3696 min28 Oct
Port of Spain08:03 → 07:1204:190 min04:1998 min28 Oct
London13:03 → 12:1205:550 min05:56113 min28 Oct
Durban14:03 → 13:1203:390 min03:3887 min28 Oct
Dubai16:03 → 15:1204:430 min04:43102 min28 Oct
Delhi17:33 → 16:4204:480 min04:48103 min28 Oct
Kolkata17:33 → 16:4203:580 min03:59101 min28 Oct
Singapore20:03 → 19:1205:110 min05:1195 min28 Oct
Sydney23:03 → 22:1204:340 min04:3385 min28 Oct
Suva00:03 → 23:1203:590 min03:5990 min28 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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