Ruling · Gaṇeśa Jayantī (Maghi Ganesh Jayanti) · 1981

Sunday 8 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 540 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 Saturday 7 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

Midday of Sunday 8 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

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

How it was decided

  1. 01

    Aṅga

    Caturthī runs from 00:21 on Sun 8 Feb to 21:57 on Sun 8 Feb.

    1981-02-07T16:20:37Z → 1981-02-08T13:56:56Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 7th, 12:09–12:57 on the 8th.

    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 7th and 48 of 48 on the 8th.

    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 32419 s

  5. 05

    Ruling

    Gaṇeśa Jayantī, Baoding, 1981: Sunday 8 February.

    confidence: determinate

Say it like this

In Baoding, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1981 falls on Sunday 8 February. Caturthī runs from 00:21 on Sun 8 Feb to 21:57 on Sun 8 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1981/ganesha-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 8 Feb
Ahargaṇa, classicalDisc centre, no refractionSun 8 Feb
compat-drikpanchangComparison profileSun 8 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 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles08:21 → 05:5711:4348 min11:430 min7 Feb
Chicago10:21 → 07:5711:4148 min11:410 min7 Feb
Jersey City11:21 → 08:5711:4748 min11:470 min7 Feb
Port of Spain12:21 → 09:5711:5624 min11:560 min7 Feb
London16:21 → 13:5711:510 min11:5148 min8 Feb
Durban18:21 → 15:5711:460 min11:4648 min8 Feb
Dubai20:21 → 17:5712:090 min12:0948 min8 Feb
Delhi21:51 → 19:2712:110 min12:1148 min8 Feb
Kolkata21:51 → 19:2711:270 min11:2748 min8 Feb
Singapore23:51 → 21:2712:250 min12:2548 min8 Feb
Sydney03:21 → 00:5712:450 min12:4548 min8 Feb
Suva04:21 → 01:5711:560 min11:5648 min8 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