Ruling · Candra Ṣaṣṭhī · 1987

Saturday 12 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 202 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 12 September

Taken. The only moonrise Ṣaṣṭhī holds at.

21:51 moonrise
20:3921:0321:2721:5122:1522:3923:03

Holds at moonrise

Moonrise of Sunday 13 September

Ṣaṣṭhī does not hold at moonrise. Not taken.

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

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 18:29 on Sat 12 Sep to 17:51 on Sun 13 Sep.

    1987-09-12T09:29:00Z → 1987-09-13T09:51:25Z

  2. 02

    Kāla

    Moonrise is at 21:51 on the 12th and 21:26 on the 13th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Ṣaṣṭhī must be current at moonrise. It is on the 12th and is not on the 13th.

    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 12110 s

  5. 05

    Ruling

    Candra Ṣaṣṭhī, Baoding, 1987: Saturday 12 September.

    confidence: determinate

Say it like this

In Baoding, Candra Ṣaṣṭhī 1987 falls on Saturday 12 September. Ṣaṣṭhī runs from 18:29 on Sat 12 Sep to 17:51 on Sun 13 Sep and is current at moonrise that day.

ahargana.org/baoding/festivals/1987/chandra-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 12 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 12 Sep
compat-drikpanchangComparison profileSat 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 12thCoveredMoonrise 13thCoveredRuled
Los Angeles02:29 → 02:5122:02holds22:44no12 Sep
Chicago04:29 → 04:5121:33holds22:10no12 Sep
Jersey City05:29 → 05:5121:41holds22:18no12 Sep
Port of Spain05:29 → 05:5122:01holds22:50no12 Sep
London10:29 → 10:5120:55holds21:21no12 Sep
Durban11:29 → 11:5122:57holds23:58no12 Sep
Dubai13:29 → 13:5121:31holds22:14no12 Sep
Delhi14:59 → 15:2121:23holds22:04no12 Sep
Kolkata14:59 → 15:2120:50holds21:34no12 Sep
Singapore17:29 → 17:5122:54holds23:45no12 Sep
Sydney19:29 → 19:5122:45holds23:49no12 Sep
Suva21:29 → 21:5122:18holds23:15no12 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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