Ruling · Gaṇeśa Caturthī · 2000

Friday 1 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 37 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 1 September

Taken. The only midday Caturthī reaches.

madhyāhna begins 11:54  12:42 madhyāhna ends
Caturthī begins 11:17:05
11:0611:3011:5412:1812:4213:0613:30

48 of 48 minutes covered

Midday of Saturday 2 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

Caturthī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Caturthī runs from 11:17 on Fri 1 Sep to 10:10 on Sat 2 Sep.

    2000-09-01T03:17:05Z → 2000-09-02T02:09:46Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 1st, 11:53–12:41 on the 2nd.

    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 1st and 0 of 48 on the 2nd.

    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 2202 s

  5. 05

    Ruling

    Gaṇeśa Caturthī, Baoding, 2000: Friday 1 September.

    confidence: determinate

Say it like this

In Baoding, Gaṇeśa Caturthī 2000 falls on Friday 1 September. Caturthī runs from 11:17 on Fri 1 Sep to 10:10 on Sat 2 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2000/ganesha-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 1 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 1 Sep
compat-drikpanchangComparison profileFri 1 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 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles20:17 → 19:1012:2848 min12:280 min1 Sep
Chicago22:17 → 21:1012:2648 min12:260 min1 Sep
Jersey City23:17 → 22:1012:3248 min12:310 min1 Sep
Port of Spain23:17 → 22:1011:4248 min11:410 min1 Sep
London04:17 → 03:1012:3648 min12:360 min1 Sep
Durban05:17 → 04:1011:3248 min11:320 min1 Sep
Dubai07:17 → 06:1011:5448 min11:540 min1 Sep
Delhi08:47 → 07:4011:5748 min11:560 min1 Sep
Kolkata08:47 → 07:4011:1248 min11:120 min1 Sep
Singapore11:17 → 10:1012:4148 min12:400 min1 Sep
Sydney14:17 → 13:1012:310 min12:3139 min2 Sep
Suva15:17 → 14:1011:420 min11:4248 min2 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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