Ruling · Gaṇeśa Jayantī (Maghi Ganesh Jayanti) · 2013

Wednesday 13 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 76 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 13 February

Taken. The only midday Caturthī reaches.

madhyāhna begins 12:09  12:57 madhyāhna ends
11:2111:4512:0912:3312:5713:2113:45

48 of 48 minutes covered

Midday of Thursday 14 February

Caturthī is absent from madhyāhna. Not taken.

madhyāhna begins 12:09  12:57 madhyāhna ends
11:2111:4512:0912:3312:5713:2113:45

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 10:53 on Wed 13 Feb to 10:49 on Thu 14 Feb.

    2013-02-13T02:52:43Z → 2013-02-14T02:49:29Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 13th, 12:09–12:57 on the 14th.

    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 13th and 0 of 48 on the 14th.

    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 4553 s

  5. 05

    Ruling

    Gaṇeśa Jayantī, Baoding, 2013: Wednesday 13 February.

    confidence: determinate

Say it like this

In Baoding, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2013 falls on Wednesday 13 February. Caturthī runs from 10:53 on Wed 13 Feb to 10:49 on Thu 14 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2013/ganesha-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 13 Feb
Ahargaṇa, classicalDisc centre, no refractionWed 13 Feb
compat-drikpanchangComparison profileWed 13 Feb
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 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles18:53 → 18:4911:4348 min11:430 min13 Feb
Chicago20:53 → 20:4911:4148 min11:410 min13 Feb
Jersey City21:53 → 21:4911:4748 min11:470 min13 Feb
Port of Spain22:53 → 22:4911:5648 min11:560 min13 Feb
London02:53 → 02:4911:5148 min11:510 min13 Feb
Durban04:53 → 04:4911:4648 min11:460 min13 Feb
Dubai06:53 → 06:4912:0948 min12:090 min13 Feb
Delhi08:23 → 08:1912:1148 min12:110 min13 Feb
Kolkata08:23 → 08:1911:2748 min11:270 min13 Feb
Singapore10:53 → 10:4912:5548 min12:550 min13 Feb
Sydney13:53 → 13:4912:450 min12:4548 min14 Feb
Suva14:53 → 14:4911:560 min11:5648 min14 Feb
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

About Ahargaṇa