Ruling · Gaṇeśa Caturthī · 1939

Saturday 16 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 116 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 Saturday 16 September

Taken. The only midday Caturthī reaches.

madhyāhna begins 11:49  12:37 madhyāhna ends
11:0111:2511:4912:1312:3713:0113:25

48 of 48 minutes covered

Midday of Sunday 17 September

Caturthī is absent from madhyāhna. Not taken.

madhyāhna begins 11:49  12:37 madhyāhna ends
11:0111:2511:4912:1312:3713:0113:25

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 09:53 on Sat 16 Sep to 07:48 on Sun 17 Sep.

    1939-09-16T01:52:39Z → 1939-09-16T23:48:27Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 16th, 11:49–12:37 on the 17th.

    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 16th and 0 of 48 on the 17th.

    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 6984 s

  5. 05

    Ruling

    Gaṇeśa Caturthī, Baoding, 1939: Saturday 16 September.

    confidence: determinate

Say it like this

In Baoding, Gaṇeśa Caturthī 1939 falls on Saturday 16 September. Caturthī runs from 09:53 on Sat 16 Sep to 07:48 on Sun 17 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1939/ganesha-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 16 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 16 Sep
compat-drikpanchangComparison profileSat 16 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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles17:53 → 15:4811:2448 min11:230 min16 Sep
Chicago20:53 → 18:4812:2148 min12:210 min16 Sep
Jersey City21:53 → 19:4812:2748 min12:270 min16 Sep
Port of Spain21:53 → 19:4811:3748 min11:370 min16 Sep
London02:53 → 00:4812:3148 min12:310 min16 Sep
Durban03:53 → 01:4811:2748 min11:270 min16 Sep
Dubai05:53 → 03:4811:5048 min11:490 min16 Sep
Delhi07:23 → 05:1811:5248 min11:520 min16 Sep
Kolkata07:23 → 05:1811:0848 min11:070 min16 Sep
Singapore09:13 → 07:0811:5648 min11:550 min16 Sep
Sydney11:53 → 09:4811:2722 min11:260 min16 Sep
Suva13:53 → 11:4811:380 min11:3711 min17 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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