Ruling · Candra Ṣaṣṭhī · 1970

Sunday 20 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 491 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 19 September

Ṣaṣṭhī does not hold at moonrise. Not taken.

20:18 moonrise
19:0619:3019:5420:1820:4221:0621:30

Absent at moonrise

Moonrise of Sunday 20 September

Taken. The only moonrise Ṣaṣṭhī holds at.

20:59 moonrise
19:4720:1120:3520:5921:2321:4722:11

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 05:52 on Sun 20 Sep to 05:10 on Mon 21 Sep.

    1970-09-19T21:51:35Z → 1970-09-20T21:10:19Z

  2. 02

    Kāla

    Moonrise is at 20:18 on the 19th and 20:59 on the 20th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Ṣaṣṭhī must be current at moonrise. It is not on the 19th and is on the 20th.

    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 29484 s

  5. 05

    Ruling

    Candra Ṣaṣṭhī, Baoding, 1970: Sunday 20 September.

    confidence: determinate

Say it like this

In Baoding, Candra Ṣaṣṭhī 1970 falls on Sunday 20 September. Ṣaṣṭhī runs from 05:52 on Sun 20 Sep to 05:10 on Mon 21 Sep and is current at moonrise that day.

ahargana.org/baoding/festivals/1970/chandra-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 20 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 20 Sep
compat-drikpanchangComparison profileSun 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 19thCoveredMoonrise 20thCoveredRuled
Los Angeles14:52 → 14:1021:34holds22:22no19 Sep
Chicago16:52 → 16:1021:02holds21:46no19 Sep
Jersey City17:52 → 17:1021:10holds21:54no19 Sep
Port of Spain17:52 → 17:1021:34holds22:28no19 Sep
London22:52 → 22:1020:20no20:53holds20 Sep
Durban23:52 → 23:1022:33no23:38no19 Sep
Dubai01:52 → 01:1021:01no21:49holds20 Sep
Delhi03:22 → 02:4020:52no21:39holds20 Sep
Kolkata03:22 → 02:4020:20no21:09holds20 Sep
Singapore05:22 → 04:4021:56no22:51holds20 Sep
Sydney07:52 → 07:1022:21no23:28holds20 Sep
Suva09:52 → 09:1021:51no22:52holds20 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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