Ruling · Naraka Caturdaśī (Choti Diwali) · 1969

Sunday 9 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 66 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 8 November

Caturdaśī is absent from aruṇodaya. Not taken.

05:03 aruṇodaya beginssunrise 06:53
04:3905:0305:2705:5106:1506:3907:03

0 of 109 minutes covered

Dawn of Sunday 9 November

Taken. The only dawn Caturdaśī reaches.

05:04 aruṇodaya beginssunrise 06:54
04:4005:0405:2805:5206:1606:4007:04

110 of 110 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 09:12 on Sat 8 Nov to 08:00 on Sun 9 Nov.

    1969-11-08T01:12:14Z → 1969-11-08T23:59:44Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:03–06:53 on the 8th, 05:04–06:54 on the 9th.

    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 109 minutes on the 8th and 110 of 110 on the 9th.

    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 3957 s

  5. 05

    Ruling

    Naraka Caturdaśī, Baoding, 1969: Sunday 9 November.

    confidence: determinate

Say it like this

In Baoding, Naraka Caturdaśī (Choti Diwali) 1969 falls on Sunday 9 November. Caturdaśī runs from 09:12 on Sat 8 Nov to 08:00 on Sun 9 Nov and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/1969/naraka-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 9 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 9 Nov
compat-drikpanchangComparison profileSun 9 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 8thCoveredAruṇodaya 9thCoveredRuled
Los Angeles17:12 → 16:0004:32107 min04:330 min8 Nov
Chicago19:12 → 18:0004:41111 min04:420 min8 Nov
Jersey City20:12 → 19:0004:45111 min04:450 min8 Nov
Port of Spain21:12 → 20:0004:2199 min04:210 min8 Nov
London02:12 → 01:0006:09118 min06:100 min8 Nov
Durban03:12 → 02:0003:3285 min03:320 min8 Nov
Dubai05:12 → 04:0004:4779 min04:480 min8 Nov
Delhi06:42 → 05:3004:530 min04:5436 min9 Nov
Kolkata06:42 → 05:3004:020 min04:0387 min9 Nov
Singapore08:42 → 07:3004:410 min04:4196 min9 Nov
Sydney11:12 → 10:0003:270 min03:2683 min9 Nov
Suva13:12 → 12:0003:550 min03:5589 min9 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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