Ruling · Gaṇeśa Jayantī (Maghi Ganesh Jayanti) · 2021

Monday 15 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 361 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 Monday 15 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 Tuesday 16 February

Caturthī is absent from madhyāhna. Not taken.

madhyāhna begins 12:08  12:56 madhyāhna ends
11:2011:4412:0812:3212:5613:2013:44

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 04:29 on Mon 15 Feb to 06:07 on Tue 16 Feb.

    2021-02-14T20:29:28Z → 2021-02-15T22:07:26Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 15th, 12:08–12:56 on the 16th.

    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 15th and 0 of 48 on the 16th.

    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 21662 s

  5. 05

    Ruling

    Gaṇeśa Jayantī, Baoding, 2021: Monday 15 February.

    confidence: determinate

Say it like this

In Baoding, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2021 falls on Monday 15 February. Caturthī runs from 04:29 on Mon 15 Feb to 06:07 on Tue 16 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2021/ganesha-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 15 Feb
Ahargaṇa, classicalDisc centre, no refractionMon 15 Feb
compat-drikpanchangComparison profileMon 15 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 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles12:29 → 14:0711:432 min11:4348 min14 Feb
Chicago14:29 → 16:0711:410 min11:4148 min15 Feb
Jersey City15:29 → 17:0711:470 min11:4748 min15 Feb
Port of Spain16:29 → 18:0711:560 min11:5648 min15 Feb
London20:29 → 22:0711:510 min11:5148 min15 Feb
Durban22:29 → 00:0711:460 min11:4648 min15 Feb
Dubai00:29 → 02:0712:090 min12:0948 min15 Feb
Delhi01:59 → 03:3712:110 min12:1148 min15 Feb
Kolkata01:59 → 03:3711:270 min11:2748 min15 Feb
Singapore04:29 → 06:0712:550 min12:5548 min15 Feb
Sydney07:29 → 09:0712:450 min12:4548 min15 Feb
Suva08:29 → 10:0711:560 min11:5648 min15 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