Ruling · Nāga Caturthī · 2073

Friday 3 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 104 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 Thursday 2 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 Friday 3 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 16:41 on Thu 2 Nov to 14:10 on Fri 3 Nov.

    2073-11-02T08:40:44Z → 2073-11-03T06:09:38Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 2nd, 11:38–12:26 on the 3rd.

    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 2nd and 48 of 48 on the 3rd.

    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 6241 s

  5. 05

    Ruling

    Nāga Caturthī, Baoding, 2073: Friday 3 November.

    confidence: determinate

Say it like this

In Baoding, Nāga Caturthī 2073 falls on Friday 3 November. Caturthī runs from 16:41 on Thu 2 Nov to 14:10 on Fri 3 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2073/naga-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 3 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 3 Nov
compat-drikpanchangComparison profileFri 3 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 2ndCoveredMadhyāhna 3rdCoveredRuled
Los Angeles01:41 → 23:1012:1248 min12:120 min2 Nov
Chicago03:41 → 01:1012:1048 min12:100 min2 Nov
Jersey City04:41 → 02:1012:1648 min12:160 min2 Nov
Port of Spain04:41 → 02:1011:2648 min11:260 min2 Nov
London08:41 → 06:1011:2048 min11:200 min2 Nov
Durban10:41 → 08:1011:1648 min11:160 min2 Nov
Dubai12:41 → 10:1011:380 min11:380 min3 Nov
Delhi14:11 → 11:4011:410 min11:410 min3 Nov
Kolkata14:11 → 11:4010:560 min10:5644 min3 Nov
Singapore16:41 → 14:1012:240 min12:2448 min3 Nov
Sydney19:41 → 17:1012:150 min12:1548 min3 Nov
Suva20:41 → 18:1011:260 min11:2648 min3 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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