Ruling · Karaka Caturthī (Karwa Chauth) · 1978

Thursday 19 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 421 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 19 October

Taken. The only moonrise Caturthī holds at.

19:52 moonrise
18:4019:0419:2819:5220:1620:4021:04

Holds at moonrise

Moonrise of Friday 20 October

Caturthī does not hold at moonrise. Not taken.

20:36 moonrise
19:2419:4820:1220:3621:0021:2421:48

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 12:48 on Thu 19 Oct to 13:35 on Fri 20 Oct.

    1978-10-19T04:48:28Z → 1978-10-20T05:35:21Z

  2. 02

    Kāla

    Moonrise is at 19:52 on the 19th and 20:36 on the 20th.

    moonrise: disc centre, 31′

  3. 03

    Rule

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

    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 25254 s

  5. 05

    Ruling

    Karaka Caturthī, Baoding, 1978: Thursday 19 October.

    confidence: determinate

Say it like this

In Baoding, Karaka Caturthī (Karwa Chauth) 1978 falls on Thursday 19 October. Caturthī runs from 12:48 on Thu 19 Oct to 13:35 on Fri 20 Oct and is current at moonrise that day.

ahargana.org/baoding/festivals/1978/karaka-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 19 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 19 Oct
compat-drikpanchangComparison profileThu 19 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 19thCoveredMoonrise 20thCoveredRuled
Los Angeles21:48 → 22:3521:05holds21:52no19 Oct
Chicago23:48 → 00:3520:42holds21:28no19 Oct
Jersey City00:48 → 01:3520:49holds21:35no19 Oct
Port of Spain00:48 → 01:3520:47holds21:35no19 Oct
London05:48 → 06:3520:15holds20:57no19 Oct
Durban06:48 → 07:3521:19holds22:12no19 Oct
Dubai08:48 → 09:3520:24holds21:11no19 Oct
Delhi10:18 → 11:0520:18holds21:04no19 Oct
Kolkata10:18 → 11:0519:41holds20:28no19 Oct
Singapore12:18 → 13:0521:04holds21:54no19 Oct
Sydney14:48 → 15:3521:07holds22:01no19 Oct
Suva16:48 → 17:3520:50holds21:42no19 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