Ruling · Śaṅkara Jayantī · 1902

Monday 12 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 83 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

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 Monday 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 16:48 on Sun 11 May to 14:01 on Mon 12 May.

    1902-05-11T08:48:07Z → 1902-05-12T06:01:29Z

  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 4969 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 1902: Monday 12 May.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī 1902 falls on Monday 12 May. Pañcamī runs from 16:48 on Sun 11 May to 14:01 on Mon 12 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1902/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 12 May
Ahargaṇa, classicalDisc centre, no refractionMon 12 May
compat-drikpanchangComparison profileMon 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 Angeles00:48 → 22:0111:2548 min11:250 min11 May
Chicago02:48 → 00:0111:2348 min11:230 min11 May
Jersey City03:48 → 01:0111:2948 min11:290 min11 May
Port of Spain04:48 → 02:0111:3848 min11:380 min11 May
London08:48 → 06:0111:3348 min11:330 min11 May
Durban10:18 → 07:3110:5848 min10:580 min11 May
Dubai12:29 → 09:4211:320 min11:320 min12 May
Delhi14:09 → 11:2211:450 min11:440 min12 May
Kolkata14:09 → 11:2211:000 min11:0023 min12 May
Singapore15:43 → 12:5611:320 min11:3248 min12 May
Sydney18:48 → 16:0111:270 min11:2748 min12 May
Suva20:43 → 17:5611:330 min11:3348 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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