Ruling · Candra Ṣaṣṭhī · 1999

Thursday 30 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 333 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 29 September

Ṣaṣṭhī does not hold at moonrise. Not taken.

20:57 moonrise
19:4520:0920:3320:5721:2121:4522:09

Absent at moonrise

Moonrise of Thursday 30 September

Taken. The only moonrise Ṣaṣṭhī holds at.

21:43 moonrise
20:3120:5521:1921:4322:0722:3122:55

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 05:47 on Thu 30 Sep to 03:17 on Fri 1 Oct.

    1999-09-29T21:47:14Z → 1999-09-30T19:16:40Z

  2. 02

    Kāla

    Moonrise is at 20:57 on the 29th and 21:43 on the 30th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Ṣaṣṭhī must be current at moonrise. It is not on the 29th and is on the 30th.

    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 20006 s

  5. 05

    Ruling

    Candra Ṣaṣṭhī, Baoding, 1999: Thursday 30 September.

    confidence: determinate

Say it like this

In Baoding, Candra Ṣaṣṭhī 1999 falls on Thursday 30 September. Ṣaṣṭhī runs from 05:47 on Thu 30 Sep to 03:17 on Fri 1 Oct and is current at moonrise that day.

ahargana.org/baoding/festivals/1999/chandra-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 30 Sep
Ahargaṇa, classicalDisc centre, no refractionThu 30 Sep
compat-drikpanchangComparison profileThu 30 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 29thCoveredMoonrise 30thCoveredRuled
Los Angeles14:47 → 12:1722:11holds23:03no29 Sep
Chicago16:47 → 14:1721:48holds22:37no29 Sep
Jersey City17:47 → 15:1721:55holds22:43no29 Sep
Port of Spain17:47 → 15:1721:52holds22:48no29 Sep
London22:47 → 20:1721:21no22:03no29 Sep
Durban23:47 → 21:1722:23no23:27no29 Sep
Dubai01:47 → 23:1721:28no22:20holds30 Sep
Delhi03:17 → 00:4721:22no22:13holds30 Sep
Kolkata03:17 → 00:4720:45no21:37holds30 Sep
Singapore05:47 → 03:1722:37no23:34holds30 Sep
Sydney07:47 → 05:1722:07no23:13holds30 Sep
Suva09:47 → 07:1721:50no22:52holds30 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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