Ruling · Karaka Caturthī (Karwa Chauth) · 1901

Wednesday 30 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 444 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 30 October

Taken. The only moonrise Caturthī holds at.

19:44 moonrise
18:3218:5619:2019:4420:0820:3220:56

Holds at moonrise

Moonrise of Thursday 31 October

Caturthī does not hold at moonrise. Not taken.

20:46 moonrise
19:3419:5820:2220:4621:1021:3421:58

Absent at moonrise

Caturthī presentMoonrise, the instant the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Caturthī runs from 12:20 on Wed 30 Oct to 09:19 on Thu 31 Oct.

    1901-10-30T04:19:52Z → 1901-10-31T01:18:36Z

  2. 02

    Kāla

    Moonrise is at 19:44 on the 30th and 20:46 on the 31st.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Caturthī must be current at moonrise. It is on the 30th and is not on the 31st.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one moonrise qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 26637 s

  5. 05

    Ruling

    Karaka Caturthī, Baoding, 1901: Wednesday 30 October.

    confidence: determinate

Say it like this

In Baoding, Karaka Caturthī (Karwa Chauth) 1901 falls on Wednesday 30 October. Caturthī runs from 12:20 on Wed 30 Oct to 09:19 on Thu 31 Oct and is current at moonrise that day.

ahargana.org/baoding/festivals/1901/karaka-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 30 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 30 Oct
compat-drikpanchangComparison profileWed 30 Oct
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/karaka-chaturthi · ruleset 2026.3-draft

Month
Āśvina, amānta
Pakṣa · aṅga
Kṛṣṇa · Caturthī
Kāla
Moonrise
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 104

“K 4 Karaka caturthi (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. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceCaturthīMoonrise 30thCoveredMoonrise 31stCoveredRuled
Los Angeles20:20 → 17:1920:10no21:13no29 Oct
Chicago22:20 → 19:1919:43no20:47no29 Oct
Jersey City23:20 → 20:1919:49holds20:53no30 Oct
Port of Spain00:20 → 21:1920:56holds21:56no30 Oct
London04:20 → 01:1919:04holds20:10no30 Oct
Durban05:50 → 02:4921:06holds22:04no30 Oct
Dubai08:01 → 05:0020:05holds21:07no30 Oct
Delhi09:41 → 06:4020:07holds21:09no30 Oct
Kolkata09:41 → 06:4019:32holds20:33no30 Oct
Singapore11:15 → 08:1420:35holds21:36no30 Oct
Sydney14:20 → 11:1921:24holds22:23no30 Oct
Suva16:15 → 13:1420:55holds21:55no30 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
karaka-chaturthi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

About Ahargaṇa