Ruling · Gaṇeśa Jayantī (Maghi Ganesh Jayanti) · 1942

Tuesday 20 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 592 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 Monday 19 January

Caturthī is absent from madhyāhna. Not taken.

madhyāhna begins 12:05  12:53 madhyāhna ends
11:1711:4112:0512:2912:5313:1713:41

0 of 48 minutes covered

Midday of Tuesday 20 January

Taken. The only midday Caturthī reaches.

madhyāhna begins 12:05  12:53 madhyāhna ends
11:1711:4112:0512:2912:5313:1713:41

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 23:24 on Mon 19 Jan to 22:46 on Tue 20 Jan.

    1942-01-19T15:24:24Z → 1942-01-20T14:45:42Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 19th, 12:05–12:53 on the 20th.

    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 19th and 48 of 48 on the 20th.

    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 35547 s

  5. 05

    Ruling

    Gaṇeśa Jayantī, Baoding, 1942: Tuesday 20 January.

    confidence: determinate

Say it like this

In Baoding, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1942 falls on Tuesday 20 January. Caturthī runs from 23:24 on Mon 19 Jan to 22:46 on Tue 20 Jan and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1942/ganesha-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 20 Jan
Ahargaṇa, classicalDisc centre, no refractionTue 20 Jan
compat-drikpanchangComparison profileTue 20 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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles07:24 → 06:4611:4048 min11:400 min19 Jan
Chicago09:24 → 08:4611:3848 min11:380 min19 Jan
Jersey City10:24 → 09:4611:4348 min11:440 min19 Jan
Port of Spain11:24 → 10:4611:5348 min11:530 min19 Jan
London16:24 → 15:4612:470 min12:4848 min20 Jan
Durban17:24 → 16:4611:420 min11:4348 min20 Jan
Dubai19:24 → 18:4612:060 min12:0648 min20 Jan
Delhi21:54 → 21:1613:080 min13:0848 min20 Jan
Kolkata21:54 → 21:1612:230 min12:2448 min20 Jan
Singapore22:54 → 22:1612:210 min12:2248 min20 Jan
Sydney02:24 → 01:4612:420 min12:4248 min20 Jan
Suva03:24 → 02:4611:530 min11:5348 min20 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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