Ruling · Candra Ṣaṣṭhī · 1918

Wednesday 25 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 285 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 24 September

Ṣaṣṭhī does not hold at moonrise. Not taken.

20:33 moonrise
19:2119:4520:0920:3320:5721:2121:45

Absent at moonrise

Moonrise of Wednesday 25 September

Taken. The only moonrise Ṣaṣṭhī holds at.

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

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 04:07 on Wed 25 Sep to 02:12 on Thu 26 Sep.

    1918-09-24T20:07:09Z → 1918-09-25T18:11:47Z

  2. 02

    Kāla

    Moonrise is at 20:33 on the 24th and 21:26 on the 25th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Ṣaṣṭhī must be current at moonrise. It is not on the 24th and is on the 25th.

    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 17129 s

  5. 05

    Ruling

    Candra Ṣaṣṭhī, Baoding, 1918: Wednesday 25 September.

    confidence: determinate

Say it like this

In Baoding, Candra Ṣaṣṭhī 1918 falls on Wednesday 25 September. Ṣaṣṭhī runs from 04:07 on Wed 25 Sep to 02:12 on Thu 26 Sep and is current at moonrise that day.

ahargana.org/baoding/festivals/1918/chandra-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 25 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 25 Sep
compat-drikpanchangComparison profileWed 25 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 24thCoveredMoonrise 25thCoveredRuled
Los Angeles13:07 → 11:1221:55holds22:52no24 Sep
Chicago15:07 → 13:1221:26holds22:21no24 Sep
Jersey City16:07 → 14:1221:33holds22:29no24 Sep
Port of Spain16:07 → 14:1221:47holds22:45no24 Sep
London21:07 → 19:1220:46no21:38no24 Sep
Durban22:07 → 20:1222:35holds23:37no24 Sep
Dubai23:48 → 21:5320:56no21:52holds25 Sep
Delhi01:37 → 23:4221:06no22:02holds25 Sep
Kolkata01:37 → 23:4220:32no21:28holds25 Sep
Singapore03:07 → 01:1221:34no22:33holds25 Sep
Sydney06:07 → 04:1222:22no23:26holds25 Sep
Suva08:07 → 06:1221:55no22:57holds25 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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