Ruling · Naraka Caturdaśī (Choti Diwali) · 2044

Thursday 20 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 88 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 Wednesday 19 October

Caturdaśī is absent from aruṇodaya. Not taken.

04:48 aruṇodaya beginssunrise 06:32
04:2404:4805:1205:3606:0006:2406:48

0 of 104 minutes covered

Dawn of Thursday 20 October

Taken. The only dawn Caturdaśī reaches.

04:49 aruṇodaya beginssunrise 06:33
04:2504:4905:1305:3706:0106:2506:49

104 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 08:50 on Wed 19 Oct to 08:01 on Thu 20 Oct.

    2044-10-19T00:50:03Z → 2044-10-20T00:01:30Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 04:48–06:32 on the 19th, 04:49–06:33 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 0 of 104 minutes on the 19th and 104 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 5304 s

  5. 05

    Ruling

    Naraka Caturdaśī, Baoding, 2044: Thursday 20 October.

    confidence: determinate

Say it like this

In Baoding, Naraka Caturdaśī (Choti Diwali) 2044 falls on Thursday 20 October. Caturdaśī runs from 08:50 on Wed 19 Oct to 08:01 on Thu 20 Oct and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2044/naraka-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 20 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 20 Oct
compat-drikpanchangComparison profileThu 20 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 19thCoveredAruṇodaya 20thCoveredRuled
Los Angeles17:50 → 17:0105:20102 min05:200 min19 Oct
Chicago19:50 → 19:0105:24105 min05:250 min19 Oct
Jersey City20:50 → 20:0105:29104 min05:290 min19 Oct
Port of Spain20:50 → 20:0104:1897 min04:180 min19 Oct
London01:50 → 01:0105:44108 min05:450 min19 Oct
Durban02:50 → 02:0103:4589 min03:440 min19 Oct
Dubai04:50 → 04:0104:3989 min04:400 min19 Oct
Delhi06:20 → 05:3104:445 min04:4447 min19 Oct
Kolkata06:20 → 05:3103:560 min03:5696 min20 Oct
Singapore08:50 → 08:0105:120 min05:1295 min20 Oct
Sydney11:50 → 11:0104:410 min04:4087 min20 Oct
Suva12:50 → 12:0104:030 min04:0391 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

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