Ruling · Nāga Caturthī · 2004

Tuesday 16 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 47 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 Monday 15 November

Caturthī is absent from madhyāhna. Not taken.

madhyāhna begins 11:39  12:27 madhyāhna ends
Caturthī begins 13:13:26
10:5111:1511:3912:0312:2712:5113:15

0 of 48 minutes covered

Midday of Tuesday 16 November

Taken. Caturthī reaches neither midday; the rule takes the second day.

madhyāhna begins 11:39  12:27 madhyāhna ends
10:5111:1511:3912:0312:2712:5113:15

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 13:13 on Mon 15 Nov to 10:08 on Tue 16 Nov.

    2004-11-15T05:13:27Z → 2004-11-16T02:08:12Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 15th, 11:39–12:27 on the 16th.

    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 15th and 0 of 48 on the 16th.

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

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: paraviddha → second-day · margin 2812 s

  5. 05

    Ruling

    Nāga Caturthī, Baoding, 2004: Tuesday 16 November.

    confidence: determinate

Say it like this

In Baoding, Nāga Caturthī 2004 falls on Tuesday 16 November. Caturthī runs from 13:13 on Mon 15 Nov to 10:08 on Tue 16 Nov, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/2004/naga-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 16 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 16 Nov
compat-drikpanchangComparison profileTue 16 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 15thCoveredMadhyāhna 16thCoveredRuled
Los Angeles21:13 → 18:0811:1448 min11:140 min15 Nov
Chicago23:13 → 20:0811:1148 min11:110 min15 Nov
Jersey City00:13 → 21:0811:1748 min11:170 min15 Nov
Port of Spain01:13 → 22:0811:2748 min11:270 min15 Nov
London05:13 → 02:0811:2148 min11:210 min15 Nov
Durban07:13 → 04:0811:1748 min11:170 min15 Nov
Dubai09:13 → 06:0811:3948 min11:390 min15 Nov
Delhi10:43 → 07:3811:4248 min11:420 min15 Nov
Kolkata10:43 → 07:3810:5748 min10:570 min15 Nov
Singapore13:13 → 10:0812:250 min12:250 min16 Nov
Sydney16:13 → 13:0812:160 min12:1648 min16 Nov
Suva17:13 → 14:0811:270 min11:2748 min16 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

About Ahargaṇa