Ruling · Candra Ṣaṣṭhī · 1979

Tuesday 11 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 281 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 Monday 10 September

Ṣaṣṭhī does not hold at moonrise. Not taken.

21:18 moonrise
20:0620:3020:5421:1821:4222:0622:30

Absent at moonrise

Moonrise of Tuesday 11 September

Taken. The only moonrise Ṣaṣṭhī holds at.

21:59 moonrise
20:4721:1121:3521:5922:2322:4723:11

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 03:56 on Tue 11 Sep to 02:40 on Wed 12 Sep.

    1979-09-10T19:55:37Z → 1979-09-11T18:39:45Z

  2. 02

    Kāla

    Moonrise is at 21:18 on the 10th and 21:59 on the 11th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Ṣaṣṭhī must be current at moonrise. It is not on the 10th and is on the 11th.

    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 16839 s

  5. 05

    Ruling

    Candra Ṣaṣṭhī, Baoding, 1979: Tuesday 11 September.

    confidence: determinate

Say it like this

In Baoding, Candra Ṣaṣṭhī 1979 falls on Tuesday 11 September. Ṣaṣṭhī runs from 03:56 on Tue 11 Sep to 02:40 on Wed 12 Sep and is current at moonrise that day.

ahargana.org/baoding/festivals/1979/chandra-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 11 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 11 Sep
compat-drikpanchangComparison profileTue 11 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 10thCoveredMoonrise 11thCoveredRuled
Los Angeles12:56 → 11:4022:27holds23:11no10 Sep
Chicago14:56 → 13:4022:08holds22:50no10 Sep
Jersey City15:56 → 14:4022:15holds22:56no10 Sep
Port of Spain15:56 → 14:4022:00holds22:50no10 Sep
London20:56 → 19:4021:50holds22:25no10 Sep
Durban21:56 → 20:4022:17holds23:17no10 Sep
Dubai23:56 → 22:4021:42no22:28holds11 Sep
Delhi01:26 → 00:1021:38no22:23holds11 Sep
Kolkata01:26 → 00:1020:58no21:45holds11 Sep
Singapore03:26 → 02:1022:13no23:05holds11 Sep
Sydney05:56 → 04:4022:00no23:02holds11 Sep
Suva07:56 → 06:4021:50no22:48holds11 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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