Ruling · Gaṇeśa Jayantī (Maghi Ganesh Jayanti) · 1985

Thursday 24 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 12 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 24 January

Taken. Both middays qualify; the rule takes the first.

madhyāhna begins 12:06  12:54 madhyāhna ends
Caturthī begins 12:42:55
11:1811:4212:0612:3012:5413:1813:42

11 of 48 minutes covered, the last 11

Midday of Friday 25 January

Qualifies with 48 of 48 minutes. Not taken.

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 12:43 on Thu 24 Jan to 14:34 on Fri 25 Jan.

    1985-01-24T04:42:55Z → 1985-01-25T06:34:06Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 24th, 12:07–12:55 on the 25th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Caturthī must be present during madhyāhna. It covers 11 of 48 minutes on the 24th and 48 of 48 on the 25th.

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

  4. 04

    Tie-break

    Both middays qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 690 s

  5. 05

    Ruling

    Gaṇeśa Jayantī, Baoding, 1985: Thursday 24 January.

    confidence: determinate

Say it like this

In Baoding, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1985 falls on Thursday 24 January. Caturthī runs from 12:43 on Thu 24 Jan to 14:34 on Fri 25 Jan and covers 11 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.

ahargana.org/baoding/festivals/1985/ganesha-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 24 Jan
Ahargaṇa, classicalDisc centre, no refractionThu 24 Jan
compat-drikpanchangComparison profileThu 24 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 24thCoveredMadhyāhna 25thCoveredRuled
Los Angeles20:43 → 22:3411:4148 min11:420 min24 Jan
Chicago22:43 → 00:3411:3948 min11:390 min24 Jan
Jersey City23:43 → 01:3411:4548 min11:450 min24 Jan
Port of Spain00:43 → 02:3411:5448 min11:550 min24 Jan
London04:43 → 06:3411:4948 min11:490 min24 Jan
Durban06:43 → 08:3411:4448 min11:440 min24 Jan
Dubai08:43 → 10:3412:0748 min12:070 min24 Jan
Delhi10:13 → 12:0412:0948 min12:100 min24 Jan
Kolkata10:13 → 12:0411:2548 min11:2539 min24 Jan
Singapore12:43 → 14:3412:5348 min12:5348 min24 Jan
Sydney15:43 → 17:3412:430 min12:4348 min25 Jan
Suva16:43 → 18:3411:540 min11:5448 min25 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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