Ruling · Gaṇeśa Jayantī (Maghi Ganesh Jayanti) · 2012

Friday 27 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 137 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 Thursday 26 January

Caturthī is absent from madhyāhna. Not taken.

madhyāhna begins 12:07  12:55 madhyāhna ends
11:1911:4312:0712:3112:5513:1913:43

0 of 48 minutes covered

Midday of Friday 27 January

Taken. The only midday Caturthī reaches.

madhyāhna begins 12:07  12:55 madhyāhna ends
11:1911:4312:0712:3112:5513:1913:43

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 15:12 on Thu 26 Jan to 16:17 on Fri 27 Jan.

    2012-01-26T07:11:44Z → 2012-01-27T08:17:24Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 26th, 12:07–12:55 on the 27th.

    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 26th and 48 of 48 on the 27th.

    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 8223 s

  5. 05

    Ruling

    Gaṇeśa Jayantī, Baoding, 2012: Friday 27 January.

    confidence: determinate

Say it like this

In Baoding, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2012 falls on Friday 27 January. Caturthī runs from 15:12 on Thu 26 Jan to 16:17 on Fri 27 Jan and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2012/ganesha-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 27 Jan
Ahargaṇa, classicalDisc centre, no refractionFri 27 Jan
compat-drikpanchangComparison profileFri 27 Jan
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 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles23:12 → 00:1711:4248 min11:420 min26 Jan
Chicago01:12 → 02:1711:3948 min11:400 min26 Jan
Jersey City02:12 → 03:1711:4548 min11:450 min26 Jan
Port of Spain03:12 → 04:1711:5548 min11:550 min26 Jan
London07:12 → 08:1711:4948 min11:490 min26 Jan
Durban09:12 → 10:1711:4448 min11:440 min26 Jan
Dubai11:12 → 12:1712:0748 min12:0710 min26 Jan
Delhi12:42 → 13:4712:1016 min12:1048 min26 Jan
Kolkata12:42 → 13:4711:250 min11:2548 min27 Jan
Singapore15:12 → 16:1712:530 min12:5348 min27 Jan
Sydney18:12 → 19:1712:430 min12:4348 min27 Jan
Suva19:12 → 20:1711:550 min11:5548 min27 Jan
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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