Ruling · Karaka Caturthī (Karwa Chauth) · 2005

Thursday 20 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 169 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 20 October

Taken. The only moonrise Caturthī holds at.

19:03 moonrise
17:5118:1518:3919:0319:2719:5120:15

Holds at moonrise

Moonrise of Friday 21 October

Caturthī does not hold at moonrise. Not taken.

19:47 moonrise
18:3518:5919:2319:4720:1120:3520:59

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 16:15 on Thu 20 Oct to 16:12 on Fri 21 Oct.

    2005-10-20T08:14:32Z → 2005-10-21T08:11:35Z

  2. 02

    Kāla

    Moonrise is at 19:03 on the 20th and 19:47 on the 21st.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Caturthī must be current at moonrise. It is on the 20th and is not on the 21st.

    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 10124 s

  5. 05

    Ruling

    Karaka Caturthī, Baoding, 2005: Thursday 20 October.

    confidence: determinate

Say it like this

In Baoding, Karaka Caturthī (Karwa Chauth) 2005 falls on Thursday 20 October. Caturthī runs from 16:15 on Thu 20 Oct to 16:12 on Fri 21 Oct and is current at moonrise that day.

ahargana.org/baoding/festivals/2005/karaka-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 20 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 20 Oct
compat-drikpanchangComparison profileThu 20 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 20thCoveredMoonrise 21stCoveredRuled
Los Angeles01:15 → 01:1220:22holds21:11no20 Oct
Chicago03:15 → 03:1219:48holds20:34no20 Oct
Jersey City04:15 → 04:1219:56holds20:43no20 Oct
Port of Spain04:15 → 04:1220:27holds21:20no20 Oct
London09:15 → 09:1219:00holds19:37no20 Oct
Durban10:15 → 10:1221:33holds22:35no20 Oct
Dubai12:15 → 12:1219:50holds20:40no20 Oct
Delhi13:45 → 13:4219:41holds20:29no20 Oct
Kolkata13:45 → 13:4219:10holds20:00no20 Oct
Singapore16:15 → 16:1221:20holds22:15no20 Oct
Sydney18:15 → 18:1221:23holds22:27no20 Oct
Suva20:15 → 20:1220:49holds21:49no20 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