Ruling · Candra Ṣaṣṭhī · 2087

Wednesday 17 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 629 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 17 September

Taken. The only moonrise Ṣaṣṭhī holds at.

21:25 moonrise
20:1320:3721:0121:2521:4922:1322:37

Holds at moonrise

Moonrise of Thursday 18 September

Ṣaṣṭhī does not hold at moonrise. Not taken.

22:19 moonrise
21:0721:3121:5522:1922:4323:0723:31

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 10:55 on Wed 17 Sep to 08:30 on Thu 18 Sep.

    2087-09-17T02:55:25Z → 2087-09-18T00:29:42Z

  2. 02

    Kāla

    Moonrise is at 21:25 on the 17th and 22:19 on the 18th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Ṣaṣṭhī must be current at moonrise. It is on the 17th and is not on the 18th.

    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 37764 s

  5. 05

    Ruling

    Candra Ṣaṣṭhī, Baoding, 2087: Wednesday 17 September.

    confidence: determinate

Say it like this

In Baoding, Candra Ṣaṣṭhī 2087 falls on Wednesday 17 September. Ṣaṣṭhī runs from 10:55 on Wed 17 Sep to 08:30 on Thu 18 Sep and is current at moonrise that day.

ahargana.org/baoding/festivals/2087/chandra-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 17 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 17 Sep
compat-drikpanchangComparison profileWed 17 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 17thCoveredMoonrise 18thCoveredRuled
Los Angeles19:55 → 17:3022:46no23:44no16 Sep
Chicago21:55 → 19:3022:19no23:17no16 Sep
Jersey City22:55 → 20:3022:26no23:23no16 Sep
Port of Spain22:55 → 20:3022:32no23:31no16 Sep
London03:55 → 01:3021:44holds22:38no17 Sep
Durban04:55 → 02:3023:13holds00:13no17 Sep
Dubai06:55 → 04:3022:03holds23:00no17 Sep
Delhi08:25 → 06:0021:55holds22:52no17 Sep
Kolkata08:25 → 06:0021:20holds22:17no17 Sep
Singapore10:55 → 08:3023:18holds00:17no17 Sep
Sydney12:55 → 10:3022:59holds00:02no17 Sep
Suva14:55 → 12:3022:37holds23:37no17 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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