Ruling · Naraka Caturdaśī (Choti Diwali) · 2016

Saturday 29 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 346 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 29 October

Taken. The only dawn Caturdaśī reaches.

04:56 aruṇodaya beginssunrise 06:42
04:3204:5605:2005:4406:0806:3206:56

107 of 107 minutes covered

Dawn of Sunday 30 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 20:51 on Fri 28 Oct to 23:10 on Sat 29 Oct.

    2016-10-28T12:50:58Z → 2016-10-29T15:10:19Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 04:56–06:42 on the 29th, 04:56–06:43 on the 30th.

    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 29th and 0 of 107 on the 30th.

    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 20764 s

  5. 05

    Ruling

    Naraka Caturdaśī, Baoding, 2016: Saturday 29 October.

    confidence: determinate

Say it like this

In Baoding, Naraka Caturdaśī (Choti Diwali) 2016 falls on Saturday 29 October. Caturdaśī runs from 20:51 on Fri 28 Oct to 23:10 on Sat 29 Oct and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2016/naraka-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 29 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 29 Oct
compat-drikpanchangComparison profileSat 29 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 28thCoveredAruṇodaya 29thCoveredRuled
Los Angeles05:51 → 08:1005:2579 min05:26105 min28 Oct
Chicago07:51 → 10:1005:310 min05:32108 min29 Oct
Jersey City08:51 → 11:1005:360 min05:36108 min29 Oct
Port of Spain08:51 → 11:1004:190 min04:1998 min29 Oct
London13:51 → 16:1005:550 min05:56113 min29 Oct
Durban14:51 → 17:1003:380 min03:3787 min29 Oct
Dubai16:51 → 19:1004:420 min04:43102 min29 Oct
Delhi18:21 → 20:4004:480 min04:48103 min29 Oct
Kolkata18:21 → 20:4003:580 min03:59101 min29 Oct
Singapore20:51 → 23:1005:110 min05:1195 min29 Oct
Sydney23:51 → 02:1004:340 min04:3385 min29 Oct
Suva00:51 → 03:1003:590 min03:5890 min29 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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