Ruling · Candra Ṣaṣṭhī · 1949

Tuesday 13 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 582 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 12 September

Ṣaṣṭhī does not hold at moonrise. Not taken.

20:39 moonrise
19:2719:5120:1520:3921:0321:2721:51

Absent at moonrise

Moonrise of Tuesday 13 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 06:21 on Tue 13 Sep to 08:27 on Wed 14 Sep.

    1949-09-12T22:21:08Z → 1949-09-14T00:26:40Z

  2. 02

    Kāla

    Moonrise is at 20:39 on the 12th and 21:08 on the 13th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Ṣaṣṭhī must be current at moonrise. It is not on the 12th and is on the 13th.

    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 34914 s

  5. 05

    Ruling

    Candra Ṣaṣṭhī, Baoding, 1949: Tuesday 13 September.

    confidence: determinate

Say it like this

In Baoding, Candra Ṣaṣṭhī 1949 falls on Tuesday 13 September. Ṣaṣṭhī runs from 06:21 on Tue 13 Sep to 08:27 on Wed 14 Sep and is current at moonrise that day.

ahargana.org/baoding/festivals/1949/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 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 12thCoveredMoonrise 14thCoveredRuled
Los Angeles14:21 → 16:2720:45holds22:03no12 Sep
Chicago17:21 → 19:2721:19holds22:28no12 Sep
Jersey City18:21 → 20:2721:27holds22:37no12 Sep
Port of Spain18:21 → 20:2721:37holds23:10no12 Sep
London23:21 → 01:2720:50no21:38no13 Sep
Durban00:21 → 02:2722:23no00:20no13 Sep
Dubai02:21 → 04:2721:13no22:33no13 Sep
Delhi03:51 → 05:5721:07no22:23no13 Sep
Kolkata03:51 → 05:5720:32no21:53no13 Sep
Singapore05:51 → 07:5722:00no23:35no13 Sep
Sydney08:21 → 10:2722:11no00:11no13 Sep
Suva10:21 → 12:2721:50no23:36no13 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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