Ruling · Candra Ṣaṣṭhī · 2057

Tuesday 18 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 557 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 Tuesday 18 September

Taken. The only moonrise Ṣaṣṭhī holds at.

21:26 moonrise
20:1420:3821:0221:2621:5022:1422:38

Holds at moonrise

Moonrise of Wednesday 19 September

Ṣaṣṭhī does not hold at moonrise. Not taken.

22:01 moonrise
20:4921:1321:3722:0122:2522:4923:13

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 10:45 on Tue 18 Sep to 12:44 on Wed 19 Sep.

    2057-09-18T02:45:04Z → 2057-09-19T04:43:39Z

  2. 02

    Kāla

    Moonrise is at 21:26 on the 18th and 22:01 on the 19th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Ṣaṣṭhī must be current at moonrise. It is on the 18th and is not on the 19th.

    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 33434 s

  5. 05

    Ruling

    Candra Ṣaṣṭhī, Baoding, 2057: Tuesday 18 September.

    confidence: determinate

Say it like this

In Baoding, Candra Ṣaṣṭhī 2057 falls on Tuesday 18 September. Ṣaṣṭhī runs from 10:45 on Tue 18 Sep to 12:44 on Wed 19 Sep and is current at moonrise that day.

ahargana.org/baoding/festivals/2057/chandra-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 18 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 18 Sep
compat-drikpanchangComparison profileTue 18 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 18thCoveredMoonrise 19thCoveredRuled
Los Angeles19:45 → 21:4422:34no23:14no17 Sep
Chicago21:45 → 23:4422:10holds22:46no18 Sep
Jersey City22:45 → 00:4422:17holds22:54no18 Sep
Port of Spain22:45 → 00:4422:23holds23:08no18 Sep
London03:45 → 05:4421:40holds22:10no18 Sep
Durban04:45 → 06:4423:04holds23:59no18 Sep
Dubai06:45 → 08:4421:59holds22:40no18 Sep
Delhi08:15 → 10:1421:53holds22:32no18 Sep
Kolkata08:15 → 10:1421:17holds21:59no18 Sep
Singapore10:45 → 12:4423:14holds00:01no18 Sep
Sydney12:45 → 14:4422:53holds23:50no18 Sep
Suva14:45 → 16:4422:33holds23:24no18 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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