Ruling · Candra Ṣaṣṭhī · 2009

Thursday 10 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 190 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 Wednesday 9 September

Ṣaṣṭhī does not hold at moonrise. Not taken.

20:36 moonrise
19:2419:4820:1220:3621:0021:2421:48

Absent at moonrise

Moonrise of Thursday 10 September

Taken. The only moonrise Ṣaṣṭhī holds at.

21:17 moonrise
20:0520:2920:5321:1721:4122:0522:29

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 01:25 on Thu 10 Sep to 00:27 on Fri 11 Sep.

    2009-09-09T17:25:15Z → 2009-09-10T16:26:46Z

  2. 02

    Kāla

    Moonrise is at 20:36 on the 9th and 21:17 on the 10th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Ṣaṣṭhī must be current at moonrise. It is not on the 9th and is on the 10th.

    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 11378 s

  5. 05

    Ruling

    Candra Ṣaṣṭhī, Baoding, 2009: Thursday 10 September.

    confidence: determinate

Say it like this

In Baoding, Candra Ṣaṣṭhī 2009 falls on Thursday 10 September. Ṣaṣṭhī runs from 01:25 on Thu 10 Sep to 00:27 on Fri 11 Sep and is current at moonrise that day.

ahargana.org/baoding/festivals/2009/chandra-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 10 Sep
Ahargaṇa, classicalDisc centre, no refractionThu 10 Sep
compat-drikpanchangComparison profileThu 10 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 9thCoveredMoonrise 10thCoveredRuled
Los Angeles10:25 → 09:2721:50holds22:39no9 Sep
Chicago12:25 → 11:2721:21holds22:06no9 Sep
Jersey City13:25 → 12:2721:29holds22:14no9 Sep
Port of Spain13:25 → 12:2721:45holds22:39no9 Sep
London18:25 → 17:2720:44holds21:19no9 Sep
Durban19:25 → 18:2722:36holds23:40no9 Sep
Dubai21:25 → 20:2721:15no22:03no9 Sep
Delhi22:55 → 21:5721:07no21:54holds10 Sep
Kolkata22:55 → 21:5720:34no21:22holds10 Sep
Singapore01:25 → 00:2722:36no23:30holds10 Sep
Sydney03:25 → 02:2722:23no23:29holds10 Sep
Suva05:25 → 04:2721:58no22:58holds10 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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