Ruling · Candra Ṣaṣṭhī · 1991

Sunday 29 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 122 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 Saturday 28 September

Ṣaṣṭhī does not hold at moonrise. Not taken.

20:28 moonrise
19:1619:4020:0420:2820:5221:1621:40

Absent at moonrise

Moonrise of Sunday 29 September

Taken. The only moonrise Ṣaṣṭhī holds at.

21:22 moonrise
20:1020:3420:5821:2221:4622:1022:34

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 01:12 on Sun 29 Sep to 23:24 on Sun 29 Sep.

    1991-09-28T17:11:54Z → 1991-09-29T15:24:23Z

  2. 02

    Kāla

    Moonrise is at 20:28 on the 28th and 21:22 on the 29th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Ṣaṣṭhī must be current at moonrise. It is not on the 28th and is on the 29th.

    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 7326 s

  5. 05

    Ruling

    Candra Ṣaṣṭhī, Baoding, 1991: Sunday 29 September.

    confidence: determinate

Say it like this

In Baoding, Candra Ṣaṣṭhī 1991 falls on Sunday 29 September. Ṣaṣṭhī runs from 01:12 on Sun 29 Sep to 23:24 on Sun 29 Sep and is current at moonrise that day.

ahargana.org/baoding/festivals/1991/chandra-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 29 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 29 Sep
compat-drikpanchangComparison profileSun 29 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 28thCoveredMoonrise 29thCoveredRuled
Los Angeles10:12 → 08:2421:52holds22:52no28 Sep
Chicago12:12 → 10:2421:19holds22:19no28 Sep
Jersey City13:12 → 11:2421:27holds22:26no28 Sep
Port of Spain13:12 → 11:2421:51holds22:51no28 Sep
London18:12 → 16:2420:32holds21:27no28 Sep
Durban19:12 → 17:2422:50holds23:52no28 Sep
Dubai21:12 → 19:2421:14holds22:12no28 Sep
Delhi22:42 → 20:5421:05no22:02no28 Sep
Kolkata22:42 → 20:5420:33no21:30no28 Sep
Singapore01:12 → 23:2422:40no23:40no28 Sep
Sydney03:12 → 01:2422:39no23:43holds29 Sep
Suva05:12 → 03:2422:07no23:09holds29 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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