Ruling · Gaṇeśa Jayantī (Maghi Ganesh Jayanti) · 2020

Tuesday 28 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 21 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 Tuesday 28 January

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

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

48 of 48 minutes covered

Midday of Wednesday 29 January

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 12:07  12:55 madhyāhna ends
Caturthī ends 13:16:14
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 10:52 on Tue 28 Jan to 13:16 on Wed 29 Jan.

    2020-01-28T02:52:23Z → 2020-01-29T05:16:14Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 28th, 12:07–12:55 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 48 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

    Both middays qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 1255 s

  5. 05

    Ruling

    Gaṇeśa Jayantī, Baoding, 2020: Tuesday 28 January.

    confidence: determinate

Say it like this

In Baoding, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2020 falls on Tuesday 28 January. Caturthī runs from 10:52 on Tue 28 Jan to 13:16 on Wed 29 Jan and covers all 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/2020/ganesha-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 28 Jan
Ahargaṇa, classicalDisc centre, no refractionTue 28 Jan
compat-drikpanchangComparison profileTue 28 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 Angeles18:52 → 21:1611:4248 min11:420 min28 Jan
Chicago20:52 → 23:1611:4048 min11:400 min28 Jan
Jersey City21:52 → 00:1611:4548 min11:460 min28 Jan
Port of Spain22:52 → 01:1611:5548 min11:550 min28 Jan
London02:52 → 05:1611:5048 min11:500 min28 Jan
Durban04:52 → 07:1611:4548 min11:450 min28 Jan
Dubai06:52 → 09:1612:0848 min12:080 min28 Jan
Delhi08:22 → 10:4612:1048 min12:100 min28 Jan
Kolkata08:22 → 10:4611:2548 min11:260 min28 Jan
Singapore10:52 → 13:1612:5348 min12:5423 min28 Jan
Sydney13:52 → 16:1612:440 min12:4448 min29 Jan
Suva14:52 → 17:1611:550 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

About Ahargaṇa