Ruling · Candra Ṣaṣṭhī · 2066

Thursday 9 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 546 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 8 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 9 September

Taken. The only moonrise Ṣaṣṭhī holds at.

21:14 moonrise
20:0220:2620:5021:1421:3822:0222:26

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 05:42 on Thu 9 Sep to 07:05 on Fri 10 Sep.

    2066-09-08T21:41:55Z → 2066-09-09T23:05:22Z

  2. 02

    Kāla

    Moonrise is at 20:36 on the 8th and 21:14 on the 9th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Ṣaṣṭhī must be current at moonrise. It is not on the 8th and is on the 9th.

    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 32776 s

  5. 05

    Ruling

    Candra Ṣaṣṭhī, Baoding, 2066: Thursday 9 September.

    confidence: determinate

Say it like this

In Baoding, Candra Ṣaṣṭhī 2066 falls on Thursday 9 September. Ṣaṣṭhī runs from 05:42 on Thu 9 Sep to 07:05 on Fri 10 Sep and is current at moonrise that day.

ahargana.org/baoding/festivals/2066/chandra-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 9 Sep
Ahargaṇa, classicalDisc centre, no refractionThu 9 Sep
compat-drikpanchangComparison profileThu 9 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 8thCoveredMoonrise 9thCoveredRuled
Los Angeles14:42 → 16:0521:47holds22:30no8 Sep
Chicago16:42 → 18:0521:21holds22:00no8 Sep
Jersey City17:42 → 19:0521:28holds22:08no8 Sep
Port of Spain17:42 → 19:0521:38holds22:26no8 Sep
London22:42 → 00:0520:48no21:20holds9 Sep
Durban23:42 → 01:0522:23no23:20holds9 Sep
Dubai01:42 → 03:0521:12no21:55holds9 Sep
Delhi03:12 → 04:3521:05no21:47holds9 Sep
Kolkata03:12 → 04:3520:30no21:14holds9 Sep
Singapore05:42 → 07:0522:29no23:18holds9 Sep
Sydney07:42 → 09:0522:11no23:10holds9 Sep
Suva09:42 → 11:0521:49no22:43holds9 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

About Ahargaṇa