Ruling · Karaka Caturthī (Karwa Chauth) · 1979

Monday 8 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 55 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 Monday 8 October

Taken. The only moonrise Caturthī holds at.

19:51 moonrise
Caturthī begins 18:56:22
18:3919:0319:2719:5120:1520:3921:03

Holds at moonrise

Moonrise of Tuesday 9 October

Caturthī does not hold at moonrise. Not taken.

20:34 moonrise
19:2219:4620:1020:3420:5821:2221:46

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 18:56 on Mon 8 Oct to 17:11 on Tue 9 Oct.

    1979-10-08T10:56:23Z → 1979-10-09T09:10:36Z

  2. 02

    Kāla

    Moonrise is at 19:51 on the 8th and 20:34 on the 9th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Caturthī must be current at moonrise. It is on the 8th and is not on the 9th.

    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 3271 s

  5. 05

    Ruling

    Karaka Caturthī, Baoding, 1979: Monday 8 October.

    confidence: determinate

Say it like this

In Baoding, Karaka Caturthī (Karwa Chauth) 1979 falls on Monday 8 October. Caturthī runs from 18:56 on Mon 8 Oct to 17:11 on Tue 9 Oct and is current at moonrise that day.

ahargana.org/baoding/festivals/1979/karaka-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 8 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 8 Oct
compat-drikpanchangComparison profileMon 8 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 8thCoveredMoonrise 9thCoveredRuled
Los Angeles03:56 → 02:1121:02holds21:49no8 Oct
Chicago05:56 → 04:1120:42holds21:26no8 Oct
Jersey City06:56 → 05:1120:48holds21:33no8 Oct
Port of Spain06:56 → 05:1120:38holds21:30no8 Oct
London11:56 → 10:1120:20holds20:58no8 Oct
Durban12:56 → 11:1121:01holds22:02no8 Oct
Dubai14:56 → 13:1120:18holds21:06no8 Oct
Delhi16:26 → 14:4120:13holds21:00no8 Oct
Kolkata16:26 → 14:4119:34holds20:23no8 Oct
Singapore18:26 → 16:4120:53holds21:46no8 Oct
Sydney20:56 → 19:1120:45no21:48no8 Oct
Suva22:56 → 21:1120:32no21:31no8 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