Ruling · Gaṇeśa Jayantī (Maghi Ganesh Jayanti) · 1979

Wednesday 31 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 509 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 Wednesday 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 Thursday 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 03:39 on Wed 31 Jan to 00:53 on Thu 1 Feb.

    1979-01-30T19:38:48Z → 1979-01-31T16:53:24Z

  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 30536 s

  5. 05

    Ruling

    Gaṇeśa Jayantī, Baoding, 1979: Wednesday 31 January.

    confidence: determinate

Say it like this

In Baoding, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1979 falls on Wednesday 31 January. Caturthī runs from 03:39 on Wed 31 Jan to 00:53 on Thu 1 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1979/ganesha-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 31 Jan
Ahargaṇa, classicalDisc centre, no refractionWed 31 Jan
compat-drikpanchangComparison profileWed 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 Angeles11:39 → 08:5311:4248 min11:430 min30 Jan
Chicago13:39 → 10:5311:400 min11:400 min31 Jan
Jersey City14:39 → 11:5311:460 min11:467 min31 Jan
Port of Spain15:39 → 12:5311:550 min11:5648 min31 Jan
London19:39 → 16:5311:500 min11:5048 min31 Jan
Durban21:39 → 18:5311:450 min11:4548 min31 Jan
Dubai23:39 → 20:5312:080 min12:0848 min31 Jan
Delhi01:09 → 22:2312:100 min12:1148 min31 Jan
Kolkata01:09 → 22:2311:260 min11:2648 min31 Jan
Singapore03:09 → 00:2312:240 min12:2448 min31 Jan
Sydney06:39 → 03:5312:440 min12:4448 min31 Jan
Suva07:39 → 04:5311:550 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

About Ahargaṇa