Ruling · Candra Ṣaṣṭhī · 1982

Wednesday 8 September

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 186 minutes.

Decide it for

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two moonrises

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

Moonrise of Wednesday 8 September

Taken. The only moonrise Ṣaṣṭhī holds at.

20:41 moonrise
19:2919:5320:1720:4121:0521:2921:53

Holds at moonrise

Moonrise of Thursday 9 September

Ṣaṣṭhī does not hold at moonrise. Not taken.

21:13 moonrise
20:0120:2520:4921:1321:3722:0122:25

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 17:34 on Wed 8 Sep to 16:02 on Thu 9 Sep.

    1982-09-08T09:34:25Z → 1982-09-09T08:02:21Z

  2. 02

    Kāla

    Moonrise is at 20:41 on the 8th and 21:13 on the 9th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Ṣaṣṭhī must be current at moonrise. It is on the 8th and is not on the 9th.

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

  4. 04

    Tie-break

    Only one moonrise qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 11180 s

  5. 05

    Ruling

    Candra Ṣaṣṭhī, Daqing, 1982: Wednesday 8 September.

    confidence: determinate

Say it like this

In Daqing, Candra Ṣaṣṭhī 1982 falls on Wednesday 8 September. Ṣaṣṭhī runs from 17:34 on Wed 8 Sep to 16:02 on Thu 9 Sep and is current at moonrise that day.

ahargana.org/daqing/festivals/1982/chandra-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 8 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 8 Sep
compat-drikpanchangComparison profileWed 8 Sep
No institution has a recorded ruling for Daqing.

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 8thCoveredMoonrise 9thCoveredRuled
Los Angeles02:34 → 01:0222:41holds23:24no8 Sep
Chicago04:34 → 03:0222:20holds22:59no8 Sep
Jersey City05:34 → 04:0222:27holds23:06no8 Sep
Port of Spain05:34 → 04:0222:19holds23:10no8 Sep
London10:34 → 09:0221:59holds22:29no8 Sep
Durban11:34 → 10:0222:44holds23:48no8 Sep
Dubai13:34 → 12:0222:00holds22:44no8 Sep
Delhi15:04 → 13:3221:55holds22:38no8 Sep
Kolkata15:04 → 13:3221:16holds22:02no8 Sep
Singapore17:34 → 16:0223:05holds23:57no8 Sep
Sydney19:34 → 18:0222:27holds23:33no8 Sep
Suva21:34 → 20:0222:15holds23:13no8 Sep
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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