Ruling · Gaṇeśa Jayantī (Maghi Ganesh Jayanti) · 1964

Saturday 18 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 347 minutes.

Decide it for

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 18 January

Taken. The only midday Caturthī reaches.

madhyāhna begins 12:04  12:52 madhyāhna ends
11:1611:4012:0412:2812:5213:1613:40

48 of 48 minutes covered

Midday of Sunday 19 January

Caturthī is absent from madhyāhna. Not taken.

madhyāhna begins 12:05  12:53 madhyāhna ends
11:1711:4112:0512:2912:5313:1713:41

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 06:17 on Sat 18 Jan to 05:54 on Sun 19 Jan.

    1964-01-17T22:16:57Z → 1964-01-18T21:53:42Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 18th, 12:05–12:53 on the 19th.

    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 18th and 0 of 48 on the 19th.

    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 20849 s

  5. 05

    Ruling

    Gaṇeśa Jayantī, Baoding, 1964: Saturday 18 January.

    confidence: determinate

Say it like this

In Baoding, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1964 falls on Saturday 18 January. Caturthī runs from 06:17 on Sat 18 Jan to 05:54 on Sun 19 Jan and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1964/ganesha-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 18 Jan
Ahargaṇa, classicalDisc centre, no refractionSat 18 Jan
compat-drikpanchangComparison profileSat 18 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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles14:17 → 13:5411:390 min11:3948 min18 Jan
Chicago16:17 → 15:5411:370 min11:3748 min18 Jan
Jersey City17:17 → 16:5411:420 min11:4348 min18 Jan
Port of Spain18:17 → 17:5411:520 min11:5248 min18 Jan
London22:17 → 21:5411:470 min11:4748 min18 Jan
Durban00:17 → 23:5411:420 min11:4248 min18 Jan
Dubai02:17 → 01:5412:050 min12:0548 min18 Jan
Delhi03:47 → 03:2412:070 min12:0748 min18 Jan
Kolkata03:47 → 03:2411:220 min11:2348 min18 Jan
Singapore05:47 → 05:2412:200 min12:2148 min18 Jan
Sydney08:17 → 07:5411:410 min11:4148 min18 Jan
Suva10:17 → 09:5411:520 min11:5248 min18 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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