Ruling · Candra Ṣaṣṭhī · 1957

Sunday 15 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 127 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 14 September

Ṣaṣṭhī does not hold at moonrise. Not taken.

21:03 moonrise
19:5120:1520:3921:0321:2721:5122:15

Absent at moonrise

Moonrise of Sunday 15 September

Taken. The only moonrise Ṣaṣṭhī holds at.

21:46 moonrise
20:3420:5821:2221:4622:1022:3422:58

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 23:10 on Sat 14 Sep to 00:02 on Mon 16 Sep.

    1957-09-14T15:10:00Z → 1957-09-15T16:01:41Z

  2. 02

    Kāla

    Moonrise is at 21:03 on the 14th and 21:46 on the 15th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Ṣaṣṭhī must be current at moonrise. It is not on the 14th and is on the 15th.

    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 7628 s

  5. 05

    Ruling

    Candra Ṣaṣṭhī, Baoding, 1957: Sunday 15 September.

    confidence: determinate

Say it like this

In Baoding, Candra Ṣaṣṭhī 1957 falls on Sunday 15 September. Ṣaṣṭhī runs from 23:10 on Sat 14 Sep to 00:02 on Mon 16 Sep and is current at moonrise that day.

ahargana.org/baoding/festivals/1957/chandra-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 15 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 15 Sep
compat-drikpanchangComparison profileSun 15 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 14thCoveredMoonrise 15thCoveredRuled
Los Angeles08:10 → 09:0222:15holds23:03no14 Sep
Chicago10:10 → 11:0221:52holds22:38no14 Sep
Jersey City11:10 → 12:0221:59holds22:44no14 Sep
Port of Spain11:10 → 12:0221:59holds22:50no14 Sep
London16:10 → 17:0221:23holds22:04no14 Sep
Durban17:10 → 18:0222:35holds23:30no14 Sep
Dubai19:10 → 20:0221:36holds22:23no14 Sep
Delhi20:40 → 21:3221:29holds22:15no14 Sep
Kolkata20:40 → 21:3220:53holds21:40no14 Sep
Singapore22:40 → 23:3222:18no23:08holds15 Sep
Sydney01:10 → 02:0222:23no23:19holds15 Sep
Suva03:10 → 04:0222:05no22:58holds15 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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