Ruling · Candra Ṣaṣṭhī · 1989

Wednesday 20 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 206 minutes.

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 Tuesday 19 September

Ṣaṣṭhī does not hold at moonrise. Not taken.

20:21 moonrise
19:0919:3319:5720:2120:4521:0921:33

Absent at moonrise

Moonrise of Wednesday 20 September

Taken. The only moonrise Ṣaṣṭhī holds at.

21:08 moonrise
19:5620:2020:4421:0821:3221:5622:20

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 02:57 on Wed 20 Sep to 00:34 on Thu 21 Sep.

    1989-09-19T18:57:04Z → 1989-09-20T16:34:10Z

  2. 02

    Kāla

    Moonrise is at 20:21 on the 19th and 21:08 on the 20th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Ṣaṣṭhī must be current at moonrise. It is not on the 19th and is on the 20th.

    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 12370 s

  5. 05

    Ruling

    Candra Ṣaṣṭhī, Baoding, 1989: Wednesday 20 September.

    confidence: determinate

Say it like this

In Baoding, Candra Ṣaṣṭhī 1989 falls on Wednesday 20 September. Ṣaṣṭhī runs from 02:57 on Wed 20 Sep to 00:34 on Thu 21 Sep and is current at moonrise that day.

ahargana.org/baoding/festivals/1989/chandra-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 20 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 20 Sep
compat-drikpanchangComparison profileWed 20 Sep
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 19thCoveredMoonrise 20thCoveredRuled
Los Angeles11:57 → 09:3421:41holds22:35no19 Sep
Chicago13:57 → 11:3421:08holds21:58no19 Sep
Jersey City14:57 → 12:3421:16holds22:07no19 Sep
Port of Spain14:57 → 12:3421:42holds22:41no19 Sep
London19:57 → 17:3420:23holds21:03no19 Sep
Durban20:57 → 18:3422:42holds23:51no19 Sep
Dubai22:57 → 20:3421:06no22:00no19 Sep
Delhi00:27 → 22:0420:57no21:49holds20 Sep
Kolkata00:27 → 22:0420:25no21:19holds20 Sep
Singapore02:57 → 00:3422:32no23:32holds20 Sep
Sydney04:57 → 02:3422:28no23:40holds20 Sep
Suva06:57 → 04:3421:57no23:03holds20 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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