Ruling · Candra Ṣaṣṭhī · 1901

Wednesday 2 October

Boundaryin Baoding, under the Rashtriya Panchang method. Ṣaṣṭhī reaches moonrise on neither day and the rule does not say what then. Say “contested”.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two moonrises

One ghaṭī is 24 minutes. The moonrise is read as disc centre, 31′.

Moonrise of Wednesday 2 October

Taken. Ṣaṣṭhī reaches neither moonrise; this is the day it falls on.

20:59 moonrise
Ṣaṣṭhī begins 21:47:16
19:4720:1120:3520:5921:2321:4722:11

Absent at moonrise

Moonrise of Thursday 3 October

Ṣaṣṭhī does not hold at moonrise. Not taken.

21:57 moonrise
20:4521:0921:3321:5722:2122:4523:09

Absent at moonrise

Ṣaṣṭhī presentMoonrise, the instant the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Ṣaṣṭhī runs from 21:47 on Wed 2 Oct to 19:27 on Thu 3 Oct.

    1901-10-02T13:47:16Z → 1901-10-03T11:27:08Z

  2. 02

    Kāla

    Moonrise is at 20:59 on the 2nd and 21:57 on the 3rd.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Ṣaṣṭhī must be current at moonrise. It is not on the 2nd and is not on the 3rd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Neither moonrise qualifies. The day the tithi falls on is taken.

    priority: purvaviddha → tithi-day · margin 2885 s

  5. 05

    Ruling

    Candra Ṣaṣṭhī, Baoding, 1901: Wednesday 2 October.

    confidence: boundary (absent-unstated)

Say it like this

In Baoding, Candra Ṣaṣṭhī 1901 falls on Wednesday 2 October. Ṣaṣṭhī runs from 21:47 on Wed 2 Oct to 19:27 on Thu 3 Oct, and is current at moonrise on neither day.

ahargana.org/baoding/festivals/1901/chandra-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 2 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 2 Oct
compat-drikpanchangComparison profileWed 2 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/chandra-shashthi · ruleset 2026.3-draft

Month
Bhādrapada, amānta
Pakṣa · aṅga
Kṛṣṇa · Ṣaṣṭhī
Kāla
Moonrise
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 103

“K 6 Candra sasthi (Sasthi current at moon-rise, 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. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceṢaṣṭhīMoonrise 2ndCoveredMoonrise 3rdCoveredRuled
Los Angeles05:47 → 03:2721:22holds22:22no2 Oct
Chicago07:47 → 05:2720:56holds21:55no2 Oct
Jersey City08:47 → 06:2721:02holds22:02no2 Oct
Port of Spain09:47 → 07:2722:09holds23:07no2 Oct
London13:47 → 11:2720:19holds21:17no2 Oct
Durban15:17 → 12:5722:20holds23:18no2 Oct
Dubai17:28 → 15:0821:19holds22:18no2 Oct
Delhi19:08 → 16:4821:21holds22:20no2 Oct
Kolkata19:08 → 16:4820:46holds21:45no2 Oct
Singapore20:42 → 18:2221:49holds22:48no2 Oct
Sydney23:47 → 21:2722:37no23:37no2 Oct
Suva01:42 → 23:2222:08no23:08holds3 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
chandra-shashthi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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