Ruling · Candra Ṣaṣṭhī · 2033

Tuesday 13 September

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 154 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 Tuesday 13 September

Taken. The only moonrise Ṣaṣṭhī holds at.

20:29 moonrise
19:1719:4120:0520:2920:5321:1721:41

Holds at moonrise

Moonrise of Wednesday 14 September

Ṣaṣṭhī does not hold at moonrise. Not taken.

21:15 moonrise
20:0320:2720:5121:1521:3922:0322:27

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 17:55 on Tue 13 Sep to 15:44 on Wed 14 Sep.

    2033-09-13T09:55:29Z → 2033-09-14T07:44:01Z

  2. 02

    Kāla

    Moonrise is at 20:29 on the 13th and 21:15 on the 14th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Ṣaṣṭhī must be current at moonrise. It is on the 13th and is not on the 14th.

    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 9229 s

  5. 05

    Ruling

    Candra Ṣaṣṭhī, Daqing, 2033: Tuesday 13 September.

    confidence: determinate

Say it like this

In Daqing, Candra Ṣaṣṭhī 2033 falls on Tuesday 13 September. Ṣaṣṭhī runs from 17:55 on Tue 13 Sep to 15:44 on Wed 14 Sep and is current at moonrise that day.

ahargana.org/daqing/festivals/2033/chandra-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 13 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 13 Sep
compat-drikpanchangComparison profileTue 13 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 13thCoveredMoonrise 14thCoveredRuled
Los Angeles02:55 → 00:4422:40holds23:32no13 Sep
Chicago04:55 → 02:4422:18holds23:07no13 Sep
Jersey City05:55 → 03:4422:24holds23:14no13 Sep
Port of Spain05:55 → 03:4422:19holds23:14no13 Sep
London10:55 → 08:4421:51holds22:36no13 Sep
Durban11:55 → 09:4422:47holds23:48no13 Sep
Dubai13:55 → 11:4421:56holds22:48no13 Sep
Delhi15:25 → 13:1421:50holds22:41no13 Sep
Kolkata15:25 → 13:1421:12holds22:05no13 Sep
Singapore17:55 → 15:4423:04holds00:00no13 Sep
Sydney19:55 → 17:4422:32holds23:35no13 Sep
Suva21:55 → 19:4422:16holds23:16no13 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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