Ruling · Śaṅkara Jayantī · 2054

Tuesday 12 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 167 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 11 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

Midday of Tuesday 12 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

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

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 17:41 on Mon 11 May to 15:26 on Tue 12 May.

    2054-05-11T09:40:38Z → 2054-05-12T07:25:50Z

  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 0 of 48 minutes on the 11th and 48 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 10015 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 2054: Tuesday 12 May.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī 2054 falls on Tuesday 12 May. Pañcamī runs from 17:41 on Mon 11 May to 15:26 on Tue 12 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2054/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 12 May
Ahargaṇa, classicalDisc centre, no refractionTue 12 May
compat-drikpanchangComparison profileTue 12 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles02:41 → 00:2612:2648 min12:260 min11 May
Chicago04:41 → 02:2612:2348 min12:230 min11 May
Jersey City05:41 → 03:2612:2948 min12:290 min11 May
Port of Spain05:41 → 03:2611:3948 min11:390 min11 May
London10:41 → 08:2612:3448 min12:330 min11 May
Durban11:41 → 09:2611:2836 min11:280 min11 May
Dubai13:41 → 11:2611:510 min11:510 min12 May
Delhi15:11 → 12:5611:540 min11:5448 min12 May
Kolkata15:11 → 12:5611:090 min11:0948 min12 May
Singapore17:41 → 15:2612:370 min12:3748 min12 May
Sydney19:41 → 17:2611:280 min11:2848 min12 May
Suva21:41 → 19:2611:390 min11:3948 min12 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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