Ruling · Gaṇeśa Jayantī (Maghi Ganesh Jayanti) · 1954

Sunday 7 February

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 3 min 26 s away. Say “contested”.

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 Saturday 6 February

Caturthī is absent from madhyāhna. Not taken.

madhyāhna begins 12:09  12:57 madhyāhna ends
11:2111:4512:0912:3312:5713:2113:45

0 of 48 minutes covered

Midday of Sunday 7 February

Taken. The only midday Caturthī reaches.

madhyāhna begins 12:09  12:57 madhyāhna ends
Caturthī ends 12:53:08
11:2111:4512:0912:3312:5713:2113:45

45 of 48 minutes covered, the first 45

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

How it was decided

  1. 01

    Aṅga

    Caturthī runs from 15:47 on Sat 6 Feb to 12:53 on Sun 7 Feb.

    1954-02-06T07:46:40Z → 1954-02-07T04:53:09Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 6th, 12:09–12:57 on the 7th.

    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 6th and 45 of 48 on the 7th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 206 s < 300 s

  5. 05

    Ruling

    Gaṇeśa Jayantī, Baoding, 1954: Sunday 7 February.

    confidence: boundary (margin)

Say it like this

In Baoding, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1954 falls on Sunday 7 February. Caturthī runs from 15:47 on Sat 6 Feb to 12:53 on Sun 7 Feb and covers 45 of 48 minutes of madhyāhna that midday. It is 3 min 26 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/1954/ganesha-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 7 Feb
Ahargaṇa, classicalDisc centre, no refractionSun 7 Feb
compat-drikpanchangComparison profileSun 7 Feb
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/ganesha-jayanti · ruleset 2026.3-draft

Month
Māgha, amānta
Pakṣa · aṅga
Śukla · Caturthī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 105

“S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceCaturthīMadhyāhna 6thCoveredMadhyāhna 7thCoveredRuled
Los Angeles23:47 → 20:5311:4348 min11:430 min6 Feb
Chicago01:47 → 22:5311:4148 min11:410 min6 Feb
Jersey City02:47 → 23:5311:4748 min11:470 min6 Feb
Port of Spain03:47 → 00:5311:5648 min11:560 min6 Feb
London07:47 → 04:5311:5148 min11:510 min6 Feb
Durban09:47 → 06:5311:4648 min11:460 min6 Feb
Dubai11:47 → 08:5312:0948 min12:090 min6 Feb
Delhi13:17 → 10:2312:110 min12:110 min7 Feb
Kolkata13:17 → 10:2311:270 min11:270 min7 Feb
Singapore15:17 → 12:2312:250 min12:250 min7 Feb
Sydney17:47 → 14:5311:450 min11:4548 min7 Feb
Suva19:47 → 16:5311:560 min11:5648 min7 Feb
Profile · tradition
pac-rp@2026.1 · smarta
Rule
ganesha-jayanti@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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