Ruling · Gaṇeśa Jayantī (Maghi Ganesh Jayanti) · 1951

Friday 9 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 30 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 Friday 9 February

Taken. The only midday Caturthī reaches.

madhyāhna begins 12:09  12:57 madhyāhna ends
Caturthī begins 11:38:33
11:2111:4512:0912:3312:5713:2113:45

48 of 48 minutes covered

Midday of Saturday 10 February

Caturthī is absent from madhyāhna. Not taken.

madhyāhna begins 12:09  12:57 madhyāhna ends
Caturthī ends 11:36:55
11:2111:4512:0912:3312:5713:2113:45

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 11:39 on Fri 9 Feb to 11:37 on Sat 10 Feb.

    1951-02-09T03:38:34Z → 1951-02-10T03:36:56Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 9th, 12:09–12:57 on the 10th.

    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 9th and 0 of 48 on the 10th.

    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 1806 s

  5. 05

    Ruling

    Gaṇeśa Jayantī, Baoding, 1951: Friday 9 February.

    confidence: determinate

Say it like this

In Baoding, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1951 falls on Friday 9 February. Caturthī runs from 11:39 on Fri 9 Feb to 11:37 on Sat 10 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1951/ganesha-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 9 Feb
Ahargaṇa, classicalDisc centre, no refractionFri 9 Feb
compat-drikpanchangComparison profileFri 9 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 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles19:39 → 19:3711:4348 min11:440 min9 Feb
Chicago21:39 → 21:3711:4148 min11:410 min9 Feb
Jersey City22:39 → 22:3711:4748 min11:470 min9 Feb
Port of Spain23:39 → 23:3711:5648 min11:560 min9 Feb
London03:39 → 03:3711:5148 min11:510 min9 Feb
Durban05:39 → 05:3711:4648 min11:460 min9 Feb
Dubai07:39 → 07:3712:0948 min12:090 min9 Feb
Delhi09:09 → 09:0712:1248 min12:120 min9 Feb
Kolkata09:09 → 09:0711:2748 min11:270 min9 Feb
Singapore11:09 → 11:0712:2548 min12:250 min9 Feb
Sydney13:39 → 13:3711:450 min11:4548 min10 Feb
Suva15:39 → 15:3711:560 min11:5648 min10 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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