Ruling · Gaṇeśa Jayantī (Maghi Ganesh Jayanti) · 2066

Friday 29 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 544 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 28 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 29 January

Taken. The only midday Caturthī reaches.

madhyāhna begins 12:08  12:56 madhyāhna ends
11:2011:4412:0812:3212:5613:2013:44

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 22:37 on Thu 28 Jan to 22:00 on Fri 29 Jan.

    2066-01-28T14:36:36Z → 2066-01-29T13:59:42Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 28th, 12:08–12:56 on the 29th.

    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 28th and 48 of 48 on the 29th.

    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 32652 s

  5. 05

    Ruling

    Gaṇeśa Jayantī, Baoding, 2066: Friday 29 January.

    confidence: determinate

Say it like this

In Baoding, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2066 falls on Friday 29 January. Caturthī runs from 22:37 on Thu 28 Jan to 22:00 on Fri 29 Jan and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2066/ganesha-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 29 Jan
Ahargaṇa, classicalDisc centre, no refractionFri 29 Jan
compat-drikpanchangComparison profileFri 29 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 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles06:37 → 06:0011:4248 min11:420 min28 Jan
Chicago08:37 → 08:0011:4048 min11:400 min28 Jan
Jersey City09:37 → 09:0011:4648 min11:460 min28 Jan
Port of Spain10:37 → 10:0011:5548 min11:550 min28 Jan
London14:37 → 14:0011:500 min11:5048 min29 Jan
Durban16:37 → 16:0011:450 min11:4548 min29 Jan
Dubai18:37 → 18:0012:080 min12:0848 min29 Jan
Delhi20:07 → 19:3012:100 min12:1048 min29 Jan
Kolkata20:07 → 19:3011:260 min11:2648 min29 Jan
Singapore22:37 → 22:0012:540 min12:5448 min29 Jan
Sydney01:37 → 01:0012:440 min12:4448 min29 Jan
Suva02:37 → 02:0011:550 min11:5548 min29 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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