Ruling · Candra Ṣaṣṭhī · 1973

Monday 17 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 229 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 Monday 17 September

Taken. The only moonrise Ṣaṣṭhī holds at.

20:52 moonrise
19:4020:0420:2820:5221:1621:4022:04

Holds at moonrise

Moonrise of Tuesday 18 September

Ṣaṣṭhī does not hold at moonrise. Not taken.

21:44 moonrise
20:3220:5621:2021:4422:0822:3222:56

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 17:03 on Mon 17 Sep to 15:10 on Tue 18 Sep.

    1973-09-17T09:03:20Z → 1973-09-18T07:10:19Z

  2. 02

    Kāla

    Moonrise is at 20:52 on the 17th and 21:44 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 13722 s

  5. 05

    Ruling

    Candra Ṣaṣṭhī, Baoding, 1973: Monday 17 September.

    confidence: determinate

Say it like this

In Baoding, Candra Ṣaṣṭhī 1973 falls on Monday 17 September. Ṣaṣṭhī runs from 17:03 on Mon 17 Sep to 15:10 on Tue 18 Sep and is current at moonrise that day.

ahargana.org/baoding/festivals/1973/chandra-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 17 Sep
Ahargaṇa, classicalDisc centre, no refractionMon 17 Sep
compat-drikpanchangComparison profileMon 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 Angeles02:03 → 00:1022:14holds23:12no17 Sep
Chicago04:03 → 02:1021:43holds22:39no17 Sep
Jersey City05:03 → 03:1021:51holds22:47no17 Sep
Port of Spain05:03 → 03:1022:09holds23:08no17 Sep
London10:03 → 08:1021:01holds21:51no17 Sep
Durban11:03 → 09:1023:03holds00:06no17 Sep
Dubai13:03 → 11:1021:35holds22:32no17 Sep
Delhi14:33 → 12:4021:26holds22:22no17 Sep
Kolkata14:33 → 12:4020:53holds21:50no17 Sep
Singapore16:33 → 14:4022:28holds23:27no17 Sep
Sydney19:03 → 17:1022:50holds23:55no17 Sep
Suva21:03 → 19:1022:22holds23:24no17 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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