Ruling · Candra Ṣaṣṭhī · 2037

Wednesday 30 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 509 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 Tuesday 29 September

Ṣaṣṭhī does not hold at moonrise. Not taken.

20:56 moonrise
19:4420:0820:3220:5621:2021:4422:08

Absent at moonrise

Moonrise of Wednesday 30 September

Taken. The only moonrise Ṣaṣṭhī holds at.

21:35 moonrise
20:2320:4721:1121:3521:5922:2322:47

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 05:25 on Wed 30 Sep to 06:18 on Thu 1 Oct.

    2037-09-29T21:24:41Z → 2037-09-30T22:18:01Z

  2. 02

    Kāla

    Moonrise is at 20:56 on the 29th and 21:35 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 30545 s

  5. 05

    Ruling

    Candra Ṣaṣṭhī, Baoding, 2037: Wednesday 30 September.

    confidence: determinate

Say it like this

In Baoding, Candra Ṣaṣṭhī 2037 falls on Wednesday 30 September. Ṣaṣṭhī runs from 05:25 on Wed 30 Sep to 06:18 on Thu 1 Oct and is current at moonrise that day.

ahargana.org/baoding/festivals/2037/chandra-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 30 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 30 Sep
compat-drikpanchangComparison profileWed 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 Angeles14:25 → 15:1822:06holds22:50no29 Sep
Chicago16:25 → 17:1821:42holds22:23no29 Sep
Jersey City17:25 → 18:1821:49holds22:31no29 Sep
Port of Spain17:25 → 18:1821:50holds22:39no29 Sep
London22:25 → 23:1821:15no21:49holds30 Sep
Durban23:25 → 00:1822:26no23:22holds30 Sep
Dubai01:25 → 02:1821:27no22:11holds30 Sep
Delhi02:55 → 03:4821:21no22:04holds30 Sep
Kolkata02:55 → 03:4820:45no21:29holds30 Sep
Singapore05:25 → 06:1822:39no23:28holds30 Sep
Sydney07:25 → 08:1822:14no23:11holds30 Sep
Suva09:25 → 10:1821:56no22:49holds30 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

About Ahargaṇa