Ruling · Nāga Caturthī · 1992

Thursday 29 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 690 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 Wednesday 28 October

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 Thursday 29 October

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 00:01 on Thu 29 Oct to 23:56 on Thu 29 Oct.

    1992-10-28T16:01:30Z → 1992-10-29T15:56:03Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 28th, 11:38–12:26 on the 29th.

    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 28th and 48 of 48 on the 29th.

    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 41425 s

  5. 05

    Ruling

    Nāga Caturthī, Baoding, 1992: Thursday 29 October.

    confidence: determinate

Say it like this

In Baoding, Nāga Caturthī 1992 falls on Thursday 29 October. Caturthī runs from 00:01 on Thu 29 Oct to 23:56 on Thu 29 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1992/naga-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 29 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 29 Oct
compat-drikpanchangComparison profileThu 29 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/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 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles08:01 → 07:5611:1348 min11:120 min28 Oct
Chicago10:01 → 09:5611:1048 min11:100 min28 Oct
Jersey City11:01 → 10:5611:1648 min11:160 min28 Oct
Port of Spain12:01 → 11:5611:2612 min11:2630 min29 Oct
London16:01 → 15:5611:200 min11:2048 min29 Oct
Durban18:01 → 17:5611:160 min11:1648 min29 Oct
Dubai20:01 → 19:5611:380 min11:3848 min29 Oct
Delhi21:31 → 21:2611:410 min11:4148 min29 Oct
Kolkata21:31 → 21:2610:560 min10:5648 min29 Oct
Singapore00:01 → 23:5612:240 min12:2448 min29 Oct
Sydney03:01 → 02:5612:150 min12:1548 min29 Oct
Suva04:01 → 03:5611:260 min11:2648 min29 Oct
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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