Ruling · Gaṇeśa Jayantī (Maghi Ganesh Jayanti) · 1920

Sunday 25 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 132 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 Saturday 24 January

Caturthī is absent from madhyāhna. Not taken.

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

0 of 48 minutes covered

Midday of Sunday 25 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 15:17 on Sat 24 Jan to 15:06 on Sun 25 Jan.

    1920-01-24T07:17:10Z → 1920-01-25T07:06:22Z

  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 0 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

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

    priority: purvaviddha → only-day · margin 7911 s

  5. 05

    Ruling

    Gaṇeśa Jayantī, Baoding, 1920: Sunday 25 January.

    confidence: determinate

Say it like this

In Baoding, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1920 falls on Sunday 25 January. Caturthī runs from 15:17 on Sat 24 Jan to 15:06 on Sun 25 Jan and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1920/ganesha-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 25 Jan
Ahargaṇa, classicalDisc centre, no refractionSun 25 Jan
compat-drikpanchangComparison profileSun 25 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 Angeles23:17 → 23:0611:4148 min11:410 min24 Jan
Chicago01:17 → 01:0611:3948 min11:390 min24 Jan
Jersey City02:17 → 02:0611:4548 min11:450 min24 Jan
Port of Spain03:17 → 03:0611:5448 min11:540 min24 Jan
London07:17 → 07:0611:4948 min11:490 min24 Jan
Durban09:17 → 09:0611:4448 min11:440 min24 Jan
Dubai11:17 → 11:0612:0748 min12:070 min24 Jan
Delhi12:47 → 12:3612:0910 min12:0927 min24 Jan
Kolkata12:47 → 12:3611:250 min11:2548 min25 Jan
Singapore14:17 → 14:0611:530 min11:5348 min25 Jan
Sydney17:17 → 17:0611:430 min11:4348 min25 Jan
Suva19:17 → 19:0611:540 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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