Ruling · Gaṇeśa Caturthī · 1913

Thursday 4 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 133 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 Wednesday 3 September

Caturthī is absent from madhyāhna. Not taken.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

0 of 48 minutes covered

Midday of Thursday 4 September

Taken. The only midday Caturthī reaches.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

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 17:53 on Wed 3 Sep to 14:54 on Thu 4 Sep.

    1913-09-03T09:53:09Z → 1913-09-04T06:54:01Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 3rd, 11:53–12:41 on the 4th.

    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 3rd and 48 of 48 on the 4th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 7978 s

  5. 05

    Ruling

    Gaṇeśa Caturthī, Baoding, 1913: Thursday 4 September.

    confidence: determinate

Say it like this

In Baoding, Gaṇeśa Caturthī 1913 falls on Thursday 4 September. Caturthī runs from 17:53 on Wed 3 Sep to 14:54 on Thu 4 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1913/ganesha-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 4 Sep
Ahargaṇa, classicalDisc centre, no refractionThu 4 Sep
compat-drikpanchangComparison profileThu 4 Sep
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-chaturthi · ruleset 2026.3-draft

Month
Bhādrapada, amānta
Pakṣa · aṅga
Śukla · Caturthī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 103

“S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceCaturthīMadhyāhna 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles01:53 → 22:5411:2848 min11:280 min3 Sep
Chicago03:53 → 00:5411:2648 min11:250 min3 Sep
Jersey City04:53 → 01:5411:3148 min11:310 min3 Sep
Port of Spain05:53 → 02:5411:4148 min11:410 min3 Sep
London09:53 → 06:5411:3548 min11:350 min3 Sep
Durban11:53 → 08:5411:3226 min11:310 min3 Sep
Dubai13:34 → 10:3511:350 min11:350 min4 Sep
Delhi15:23 → 12:2411:560 min11:5628 min4 Sep
Kolkata15:23 → 12:2411:120 min11:1248 min4 Sep
Singapore16:53 → 13:5411:400 min11:4048 min4 Sep
Sydney19:53 → 16:5411:310 min11:3148 min4 Sep
Suva21:48 → 18:4911:370 min11:3748 min4 Sep
Profile · tradition
pac-rp@2026.1 · smarta
Rule
ganesha-chaturthi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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