Ruling · Gaṇeśa Jayantī (Maghi Ganesh Jayanti) · 1977

Sunday 23 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 340 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 22 January

Caturthī is absent from madhyāhna. Not taken.

madhyāhna begins 12:06  12:54 madhyāhna ends
11:1811:4212:0612:3012:5413:1813:42

0 of 48 minutes covered

Midday of Sunday 23 January

Taken. The only midday Caturthī reaches.

madhyāhna begins 12:06  12:54 madhyāhna ends
11:1811:4212:0612:3012:5413:1813:42

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 18:34 on Sat 22 Jan to 18:48 on Sun 23 Jan.

    1977-01-22T10:33:50Z → 1977-01-23T10:47:37Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 22nd, 12:06–12:54 on the 23rd.

    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 22nd and 48 of 48 on the 23rd.

    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 20398 s

  5. 05

    Ruling

    Gaṇeśa Jayantī, Baoding, 1977: Sunday 23 January.

    confidence: determinate

Say it like this

In Baoding, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1977 falls on Sunday 23 January. Caturthī runs from 18:34 on Sat 22 Jan to 18:48 on Sun 23 Jan and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1977/ganesha-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 23 Jan
Ahargaṇa, classicalDisc centre, no refractionSun 23 Jan
compat-drikpanchangComparison profileSun 23 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 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles02:34 → 02:4811:4148 min11:410 min22 Jan
Chicago04:34 → 04:4811:3848 min11:390 min22 Jan
Jersey City05:34 → 05:4811:4448 min11:440 min22 Jan
Port of Spain06:34 → 06:4811:5448 min11:540 min22 Jan
London10:34 → 10:4811:4848 min11:490 min22 Jan
Durban12:34 → 12:4811:430 min11:4448 min23 Jan
Dubai14:34 → 14:4812:060 min12:0748 min23 Jan
Delhi16:04 → 16:1812:090 min12:0948 min23 Jan
Kolkata16:04 → 16:1811:240 min11:2448 min23 Jan
Singapore18:04 → 18:1812:220 min12:2248 min23 Jan
Sydney21:34 → 21:4812:420 min12:4348 min23 Jan
Suva22:34 → 22:4811:540 min11:5448 min23 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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