Ruling · Candra Ṣaṣṭhī · 1930

Saturday 13 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 164 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 13 September

Taken. The only moonrise Ṣaṣṭhī holds at.

20:57 moonrise
19:4520:0920:3320:5721:2121:4522:09

Holds at moonrise

Moonrise of Sunday 14 September

Ṣaṣṭhī does not hold at moonrise. Not taken.

21:32 moonrise
20:2020:4421:0821:3221:5622:2022:44

Absent 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 18:13 on Sat 13 Sep to 18:17 on Sun 14 Sep.

    1930-09-13T10:12:42Z → 1930-09-14T10:17:13Z

  2. 02

    Kāla

    Moonrise is at 20:57 on the 13th and 21:32 on the 14th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Ṣaṣṭhī must be current at moonrise. It is on the 13th and is not on the 14th.

    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 9832 s

  5. 05

    Ruling

    Candra Ṣaṣṭhī, Baoding, 1930: Saturday 13 September.

    confidence: determinate

Say it like this

In Baoding, Candra Ṣaṣṭhī 1930 falls on Saturday 13 September. Ṣaṣṭhī runs from 18:13 on Sat 13 Sep to 18:17 on Sun 14 Sep and is current at moonrise that day.

ahargana.org/baoding/festivals/1930/chandra-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 13 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 13 Sep
compat-drikpanchangComparison profileSat 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 13thCoveredMoonrise 14thCoveredRuled
Los Angeles02:13 → 02:1721:07holds21:50no13 Sep
Chicago05:13 → 05:1721:39holds22:16no13 Sep
Jersey City06:13 → 06:1721:47holds22:25no13 Sep
Port of Spain06:13 → 06:1722:02holds22:53no13 Sep
London11:13 → 11:1721:04holds21:30no13 Sep
Durban12:13 → 12:1722:53holds23:57no13 Sep
Dubai14:13 → 14:1721:34holds22:18no13 Sep
Delhi15:43 → 15:4721:27holds22:08no13 Sep
Kolkata15:43 → 15:4720:53holds21:37no13 Sep
Singapore17:13 → 17:1721:54holds22:46no13 Sep
Sydney20:13 → 20:1722:40holds23:46no13 Sep
Suva22:13 → 22:1722:16holds23:14no13 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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