Ruling · Candra Ṣaṣṭhī · 1923

Sunday 30 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 23 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 Sunday 30 September

Taken. Both moonrises qualify; the rule takes the first.

21:15 moonrise
Ṣaṣṭhī begins 20:51:48
20:0320:2720:5121:1521:3922:0322:27

Holds at moonrise

Moonrise of Monday 1 October

Ṣaṣṭhī holds at moonrise here too. Not taken.

21:56 moonrise
Ṣaṣṭhī ends 23:03:02
20:4421:0821:3221:5622:2022:4423:08

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 20:52 on Sun 30 Sep to 23:03 on Mon 1 Oct.

    1923-09-30T12:51:49Z → 1923-10-01T15:03:03Z

  2. 02

    Kāla

    Moonrise is at 21:15 on the 30th and 21:56 on the 1st.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Ṣaṣṭhī must be current at moonrise. It is on the 30th and is on the 1st.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Both moonrises qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 1401 s

  5. 05

    Ruling

    Candra Ṣaṣṭhī, Baoding, 1923: Sunday 30 September.

    confidence: determinate

Say it like this

In Baoding, Candra Ṣaṣṭhī 1923 falls on Sunday 30 September. Ṣaṣṭhī runs from 20:52 on Sun 30 Sep to 23:03 on Mon 1 Oct and is current at moonrise that day.

ahargana.org/baoding/festivals/1923/chandra-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 30 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 30 Sep
compat-drikpanchangComparison profileSun 30 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 30thCoveredMoonrise 1stCoveredRuled
Los Angeles04:52 → 07:0321:26holds22:11no30 Sep
Chicago06:52 → 09:0321:04holds21:47no30 Sep
Jersey City07:52 → 10:0321:10holds21:54no30 Sep
Port of Spain08:52 → 11:0322:08holds22:55no30 Sep
London12:52 → 15:0320:37holds21:17no30 Sep
Durban14:52 → 17:0322:41holds23:32no30 Sep
Dubai16:52 → 19:0321:46holds22:31no30 Sep
Delhi18:22 → 20:3321:40holds22:24no30 Sep
Kolkata18:22 → 20:3321:04holds21:48no30 Sep
Singapore19:52 → 22:0321:57holds22:44no30 Sep
Sydney22:52 → 01:0322:30no23:22holds1 Oct
Suva00:52 → 03:0322:13no23:03holds1 Oct
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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