Ruling · Gaṇeśa Jayantī (Maghi Ganesh Jayanti) · 1978

Saturday 11 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 133 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 Friday 10 February

Caturthī is absent from madhyāhna. Not taken.

madhyāhna begins 12:09  12:57 madhyāhna ends
11:2111:4512:0912:3312:5713:2113:45

0 of 48 minutes covered

Midday of Saturday 11 February

Taken. The only midday Caturthī reaches.

madhyāhna begins 12:09  12:57 madhyāhna ends
11:2111:4512:0912:3312:5713:2113:45

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 16:05 on Fri 10 Feb to 15:10 on Sat 11 Feb.

    1978-02-10T08:04:31Z → 1978-02-11T07:09:47Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 10th, 12:09–12:57 on the 11th.

    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 10th and 48 of 48 on the 11th.

    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 7987 s

  5. 05

    Ruling

    Gaṇeśa Jayantī, Baoding, 1978: Saturday 11 February.

    confidence: determinate

Say it like this

In Baoding, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1978 falls on Saturday 11 February. Caturthī runs from 16:05 on Fri 10 Feb to 15:10 on Sat 11 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1978/ganesha-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 11 Feb
Ahargaṇa, classicalDisc centre, no refractionSat 11 Feb
compat-drikpanchangComparison profileSat 11 Feb
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 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles00:05 → 23:1011:4348 min11:430 min10 Feb
Chicago02:05 → 01:1011:4148 min11:410 min10 Feb
Jersey City03:05 → 02:1011:4748 min11:470 min10 Feb
Port of Spain04:05 → 03:1011:5648 min11:560 min10 Feb
London08:05 → 07:1011:5148 min11:510 min10 Feb
Durban10:05 → 09:1011:4648 min11:460 min10 Feb
Dubai12:05 → 11:1012:0948 min12:090 min10 Feb
Delhi13:35 → 12:4012:120 min12:1228 min11 Feb
Kolkata13:35 → 12:4011:270 min11:2748 min11 Feb
Singapore15:35 → 14:4012:250 min12:2548 min11 Feb
Sydney19:05 → 18:1012:450 min12:4548 min11 Feb
Suva20:05 → 19:1011:560 min11:5648 min11 Feb
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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