Ruling · Candra Ṣaṣṭhī · 2005

Friday 23 September

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 298 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 Thursday 22 September

Ṣaṣṭhī does not hold at moonrise. Not taken.

19:26 moonrise
18:1418:3819:0219:2619:5020:1420:38

Absent at moonrise

Moonrise of Friday 23 September

Taken. The only moonrise Ṣaṣṭhī holds at.

19:59 moonrise
18:4719:1119:3519:5920:2320:4721:11

Holds 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 00:41 on Fri 23 Sep to 00:56 on Sat 24 Sep.

    2005-09-22T16:40:55Z → 2005-09-23T16:56:14Z

  2. 02

    Kāla

    Moonrise is at 19:26 on the 22nd and 19:59 on the 23rd.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Ṣaṣṭhī must be current at moonrise. It is not on the 22nd and is on the 23rd.

    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 17864 s

  5. 05

    Ruling

    Candra Ṣaṣṭhī, Daqing, 2005: Friday 23 September.

    confidence: determinate

Say it like this

In Daqing, Candra Ṣaṣṭhī 2005 falls on Friday 23 September. Ṣaṣṭhī runs from 00:41 on Fri 23 Sep to 00:56 on Sat 24 Sep and is current at moonrise that day.

ahargana.org/daqing/festivals/2005/chandra-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 23 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 23 Sep
compat-drikpanchangComparison profileFri 23 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 22ndCoveredMoonrise 23rdCoveredRuled
Los Angeles09:41 → 09:5621:46holds22:31no22 Sep
Chicago11:41 → 11:5621:14holds21:55no22 Sep
Jersey City12:41 → 12:5621:23holds22:04no22 Sep
Port of Spain12:41 → 12:5621:47holds22:38no22 Sep
London17:41 → 17:5620:32holds21:03no22 Sep
Durban18:41 → 18:5622:48holds23:50no22 Sep
Dubai20:41 → 20:5621:14holds22:00no22 Sep
Delhi22:11 → 22:2621:06no21:50holds23 Sep
Kolkata22:11 → 22:2620:34no21:20holds23 Sep
Singapore00:41 → 00:5622:40no23:33holds23 Sep
Sydney02:41 → 02:5622:36no23:41holds23 Sep
Suva04:41 → 04:5622:06no23:05holds23 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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