Ruling · Gaṇeśa Jayantī (Maghi Ganesh Jayanti) · 1907

Thursday 17 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 382 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 Thursday 17 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 Friday 18 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 05:42 on Thu 17 Jan to 04:07 on Fri 18 Jan.

    1907-01-16T21:42:23Z → 1907-01-17T20:07:10Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 17th, 12:05–12:53 on the 18th.

    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 17th and 0 of 48 on the 18th.

    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 22907 s

  5. 05

    Ruling

    Gaṇeśa Jayantī, Baoding, 1907: Thursday 17 January.

    confidence: determinate

Say it like this

In Baoding, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1907 falls on Thursday 17 January. Caturthī runs from 05:42 on Thu 17 Jan to 04:07 on Fri 18 Jan and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1907/ganesha-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 17 Jan
Ahargaṇa, classicalDisc centre, no refractionThu 17 Jan
compat-drikpanchangComparison profileThu 17 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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles13:42 → 12:0711:390 min11:3928 min17 Jan
Chicago15:42 → 14:0711:360 min11:3748 min17 Jan
Jersey City16:42 → 15:0711:420 min11:4348 min17 Jan
Port of Spain17:42 → 16:0711:520 min11:5248 min17 Jan
London21:42 → 20:0711:460 min11:4748 min17 Jan
Durban23:42 → 22:0711:410 min11:4248 min17 Jan
Dubai01:23 → 23:4811:450 min11:4648 min17 Jan
Delhi03:12 → 01:3712:070 min12:0748 min17 Jan
Kolkata03:12 → 01:3711:220 min11:2348 min17 Jan
Singapore04:42 → 03:0711:500 min11:5048 min17 Jan
Sydney07:42 → 06:0711:400 min11:4148 min17 Jan
Suva09:37 → 08:0211:470 min11:4748 min17 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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