Ruling · Candra Ṣaṣṭhī · 1951

Thursday 20 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 17 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 Thursday 20 September

Taken. The only moonrise Ṣaṣṭhī holds at.

20:35 moonrise
19:2319:4720:1120:3520:5921:2321:47

Holds at moonrise

Moonrise of Friday 21 September

Ṣaṣṭhī does not hold at moonrise. Not taken.

21:14 moonrise
Ṣaṣṭhī ends 20:56:35
20:0220:2620:5021:1421:3822:0222:26

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 19:19 on Thu 20 Sep to 20:57 on Fri 21 Sep.

    1951-09-20T11:19:01Z → 1951-09-21T12:56:35Z

  2. 02

    Kāla

    Moonrise is at 20:35 on the 20th and 21:14 on the 21st.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Ṣaṣṭhī must be current at moonrise. It is on the 20th and is not on the 21st.

    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 1047 s

  5. 05

    Ruling

    Candra Ṣaṣṭhī, Baoding, 1951: Thursday 20 September.

    confidence: determinate

Say it like this

In Baoding, Candra Ṣaṣṭhī 1951 falls on Thursday 20 September. Ṣaṣṭhī runs from 19:19 on Thu 20 Sep to 20:57 on Fri 21 Sep and is current at moonrise that day.

ahargana.org/baoding/festivals/1951/chandra-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 20 Sep
Ahargaṇa, classicalDisc centre, no refractionThu 20 Sep
compat-drikpanchangComparison profileThu 20 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 20thCoveredMoonrise 21stCoveredRuled
Los Angeles04:19 → 05:5721:51holds22:36no20 Sep
Chicago06:19 → 07:5721:17holds21:59no20 Sep
Jersey City07:19 → 08:5721:26holds22:08no20 Sep
Port of Spain07:19 → 08:5721:54holds22:44no20 Sep
London12:19 → 13:5720:32holds21:05no20 Sep
Durban13:19 → 14:5723:00holds23:57no20 Sep
Dubai15:19 → 16:5721:20holds22:05no20 Sep
Delhi16:49 → 18:2721:11holds21:55no20 Sep
Kolkata16:49 → 18:2720:40holds21:25no20 Sep
Singapore18:49 → 20:2722:19holds23:10no20 Sep
Sydney21:19 → 22:5722:50holds23:50no20 Sep
Suva23:19 → 00:5722:18no23:13holds21 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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