Ruling · Candra Ṣaṣṭhī · 2055

Sunday 12 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 15 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 11 September

Ṣaṣṭhī does not hold at moonrise. Not taken.

21:28 moonrise
Ṣaṣṭhī begins 21:42:21
20:1620:4021:0421:2821:5222:1622:40

Absent at moonrise

Moonrise of Sunday 12 September

Taken. The only moonrise Ṣaṣṭhī holds at.

22:02 moonrise
20:5021:1421:3822:0222:2622:5023:14

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 21:42 on Sat 11 Sep to 23:32 on Sun 12 Sep.

    2055-09-11T13:42:22Z → 2055-09-12T15:31:35Z

  2. 02

    Kāla

    Moonrise is at 21:28 on the 11th and 22:02 on the 12th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Ṣaṣṭhī must be current at moonrise. It is not on the 11th and is on the 12th.

    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 879 s

  5. 05

    Ruling

    Candra Ṣaṣṭhī, Baoding, 2055: Sunday 12 September.

    confidence: determinate

Say it like this

In Baoding, Candra Ṣaṣṭhī 2055 falls on Sunday 12 September. Ṣaṣṭhī runs from 21:42 on Sat 11 Sep to 23:32 on Sun 12 Sep and is current at moonrise that day.

ahargana.org/baoding/festivals/2055/chandra-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 12 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 12 Sep
compat-drikpanchangComparison profileSun 12 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 11thCoveredMoonrise 12thCoveredRuled
Los Angeles06:42 → 08:3222:32holds23:11no11 Sep
Chicago08:42 → 10:3222:14holds22:49no11 Sep
Jersey City09:42 → 11:3222:20holds22:56no11 Sep
Port of Spain09:42 → 11:3222:08holds22:53no11 Sep
London14:42 → 16:3221:55holds22:24no11 Sep
Durban15:42 → 17:3222:31holds23:25no11 Sep
Dubai17:42 → 19:3221:52holds22:32no11 Sep
Delhi19:12 → 21:0221:48holds22:26no11 Sep
Kolkata19:12 → 21:0221:09holds21:49no11 Sep
Singapore21:42 → 23:3222:56holds23:42no11 Sep
Sydney23:42 → 01:3222:17no23:13holds12 Sep
Suva01:42 → 03:3222:07no22:57holds12 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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