Ruling · Śaṅkara Jayantī (Shankaracharya Jayanti) · 1997

Sunday 11 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 583 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 Sunday 11 May

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

48 of 48 minutes covered

Midday of Monday 12 May

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

0 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 01:18 on Sun 11 May to 02:08 on Mon 12 May.

    1997-05-10T17:18:11Z → 1997-05-11T18:08:08Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 11th, 11:51–12:39 on the 12th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 34958 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 1997: Sunday 11 May.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī (Shankaracharya Jayanti) 1997 falls on Sunday 11 May. Pañcamī runs from 01:18 on Sun 11 May to 02:08 on Mon 12 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1997/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 11 May
Ahargaṇa, classicalDisc centre, no refractionSun 11 May
compat-drikpanchangComparison profileSun 11 May
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/shankara-jayanti · ruleset 2026.3-draft

Month
Vaiśākha, amānta
Pakṣa · aṅga
Śukla · Pañcamī
Kāla
Madhyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 102

“S 5 Sankara jayanti.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePañcamīMadhyāhna 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles10:18 → 11:0812:2648 min12:260 min10 May
Chicago12:18 → 13:0812:2348 min12:2345 min10 May
Jersey City13:18 → 14:0812:290 min12:2948 min11 May
Port of Spain13:18 → 14:0811:390 min11:3848 min11 May
London18:18 → 19:0812:330 min12:3348 min11 May
Durban19:18 → 20:0811:280 min11:2848 min11 May
Dubai21:18 → 22:0811:510 min11:5148 min11 May
Delhi22:48 → 23:3811:540 min11:5448 min11 May
Kolkata22:48 → 23:3811:090 min11:0948 min11 May
Singapore01:18 → 02:0812:370 min12:3748 min11 May
Sydney03:18 → 04:0811:270 min11:2748 min11 May
Suva05:18 → 06:0811:390 min11:3948 min11 May
Profile · tradition
pac-rp@2026.1 · smarta
Rule
shankara-jayanti@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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