Ruling · Nāga Caturthī · 2003

Tuesday 28 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 76 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 Tuesday 28 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

Midday of Wednesday 29 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

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

How it was decided

  1. 01

    Aṅga

    Caturthī runs from 10:22 on Tue 28 Oct to 07:16 on Wed 29 Oct.

    2003-10-28T02:21:39Z → 2003-10-28T23:16:29Z

  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 48 of 48 minutes on the 28th and 0 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 4566 s

  5. 05

    Ruling

    Nāga Caturthī, Baoding, 2003: Tuesday 28 October.

    confidence: determinate

Say it like this

In Baoding, Nāga Caturthī 2003 falls on Tuesday 28 October. Caturthī runs from 10:22 on Tue 28 Oct to 07:16 on Wed 29 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2003/naga-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 28 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 28 Oct
compat-drikpanchangComparison profileTue 28 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 Angeles18:22 → 15:1611:1348 min11:120 min28 Oct
Chicago20:22 → 17:1611:1048 min11:100 min28 Oct
Jersey City21:22 → 18:1611:1648 min11:160 min28 Oct
Port of Spain22:22 → 19:1611:2648 min11:260 min28 Oct
London02:22 → 23:1611:2048 min11:200 min28 Oct
Durban04:22 → 01:1611:1648 min11:160 min28 Oct
Dubai06:22 → 03:1611:3848 min11:380 min28 Oct
Delhi07:52 → 04:4611:4148 min11:410 min28 Oct
Kolkata07:52 → 04:4610:5648 min10:560 min28 Oct
Singapore10:22 → 07:1612:2448 min12:240 min28 Oct
Sydney13:22 → 10:1612:150 min12:150 min29 Oct
Suva14:22 → 11:1611:260 min11:260 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

About Ahargaṇa