Ruling · Nāga Caturthī · 2089

Sunday 6 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 430 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Saturday 5 November

Caturthī is absent from madhyāhna. Not taken.

madhyāhna begins 11:38  12:26 madhyāhna ends
10:5011:1411:3812:0212:2612:5013:14

0 of 48 minutes covered

Midday of Sunday 6 November

Taken. The only midday Caturthī reaches.

madhyāhna begins 11:38  12:26 madhyāhna ends
10:5011:1411:3812:0212:2612:5013:14

48 of 48 minutes covered

Caturthī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Caturthī runs from 19:36 on Sat 5 Nov to 20:24 on Sun 6 Nov.

    2089-11-05T11:35:51Z → 2089-11-06T12:23:31Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 5th, 11:38–12:26 on the 6th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.

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

  4. 04

    Tie-break

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

    priority: paraviddha → only-day · margin 25805 s

  5. 05

    Ruling

    Nāga Caturthī, Baoding, 2089: Sunday 6 November.

    confidence: determinate

Say it like this

In Baoding, Nāga Caturthī 2089 falls on Sunday 6 November. Caturthī runs from 19:36 on Sat 5 Nov to 20:24 on Sun 6 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2089/naga-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 6 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 6 Nov
compat-drikpanchangComparison profileSun 6 Nov
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/naga-chaturthi · ruleset 2026.3-draft

Month
Kārtika, amānta
Pakṣa · aṅga
Śukla · Caturthī
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 104

“S 4 Naga caturthi (paraviddha and madhyahnavyapini).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceCaturthīMadhyāhna 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles04:36 → 04:2412:1348 min11:130 min5 Nov
Chicago06:36 → 06:2412:1048 min11:100 min5 Nov
Jersey City07:36 → 07:2412:1648 min11:160 min5 Nov
Port of Spain07:36 → 08:2411:2648 min11:260 min5 Nov
London11:36 → 12:2411:2032 min11:2048 min6 Nov
Durban13:36 → 14:2411:160 min11:1648 min6 Nov
Dubai15:36 → 16:2411:380 min11:3948 min6 Nov
Delhi17:06 → 17:5411:410 min11:4148 min6 Nov
Kolkata17:06 → 17:5410:560 min10:5648 min6 Nov
Singapore19:36 → 20:2412:240 min12:2448 min6 Nov
Sydney22:36 → 23:2412:150 min12:1548 min6 Nov
Suva23:36 → 00:2411:260 min11:2648 min6 Nov
Profile · tradition
pac-rp@2026.1 · smarta
Rule
naga-chaturthi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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