Ruling · Nāga Caturthī · 2045

Sunday 12 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 447 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 Sunday 12 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

Midday of Monday 13 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

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

How it was decided

  1. 01

    Aṅga

    Caturthī runs from 03:33 on Sun 12 Nov to 04:12 on Mon 13 Nov.

    2045-11-11T19:32:44Z → 2045-11-12T20:11:41Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 12th, 11:38–12:26 on the 13th.

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

  3. 03

    Rule

    Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.

    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 26793 s

  5. 05

    Ruling

    Nāga Caturthī, Baoding, 2045: Sunday 12 November.

    confidence: determinate

Say it like this

In Baoding, Nāga Caturthī 2045 falls on Sunday 12 November. Caturthī runs from 03:33 on Sun 12 Nov to 04:12 on Mon 13 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2045/naga-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 12 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 12 Nov
compat-drikpanchangComparison profileSun 12 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles11:33 → 12:1211:1328 min11:1348 min12 Nov
Chicago13:33 → 14:1211:100 min11:1148 min12 Nov
Jersey City14:33 → 15:1211:160 min11:1648 min12 Nov
Port of Spain15:33 → 16:1211:260 min11:2648 min12 Nov
London19:33 → 20:1211:200 min11:2048 min12 Nov
Durban21:33 → 22:1211:160 min11:1648 min12 Nov
Dubai23:33 → 00:1211:390 min11:3948 min12 Nov
Delhi01:03 → 01:4211:410 min11:4148 min12 Nov
Kolkata01:03 → 01:4210:560 min10:5748 min12 Nov
Singapore03:33 → 04:1212:250 min12:2548 min12 Nov
Sydney06:33 → 07:1212:150 min12:1648 min12 Nov
Suva07:33 → 08:1211:260 min11:2748 min12 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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