Ruling · Gaṇeśa Jayantī (Maghi Ganesh Jayanti) · 1998

Saturday 31 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 388 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 31 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

Midday of Sunday 1 February

Caturthī is absent from madhyāhna. Not taken.

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

0 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 05:40 on Sat 31 Jan to 02:51 on Sun 1 Feb.

    1998-01-30T21:39:36Z → 1998-01-31T18:50:52Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 31st, 12:08–12:56 on the 1st.

    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 31st and 0 of 48 on the 1st.

    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 23289 s

  5. 05

    Ruling

    Gaṇeśa Jayantī, Baoding, 1998: Saturday 31 January.

    confidence: determinate

Say it like this

In Baoding, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1998 falls on Saturday 31 January. Caturthī runs from 05:40 on Sat 31 Jan to 02:51 on Sun 1 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1998/ganesha-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 31 Jan
Ahargaṇa, classicalDisc centre, no refractionSat 31 Jan
compat-drikpanchangComparison profileSat 31 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 30thCoveredMadhyāhna 31stCoveredRuled
Los Angeles13:40 → 10:5111:420 min11:430 min31 Jan
Chicago15:40 → 12:5111:400 min11:4048 min31 Jan
Jersey City16:40 → 13:5111:460 min11:4648 min31 Jan
Port of Spain17:40 → 14:5111:550 min11:5648 min31 Jan
London21:40 → 18:5111:500 min11:5048 min31 Jan
Durban23:40 → 20:5111:450 min11:4548 min31 Jan
Dubai01:40 → 22:5112:080 min12:0848 min31 Jan
Delhi03:10 → 00:2112:100 min12:1148 min31 Jan
Kolkata03:10 → 00:2111:260 min11:2648 min31 Jan
Singapore05:40 → 02:5112:540 min12:5448 min31 Jan
Sydney08:40 → 05:5112:440 min12:4448 min31 Jan
Suva09:40 → 06:5111:550 min11:5648 min31 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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