Ruling · Śaṅkara Jayantī · 1959

Wednesday 13 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 39 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 Tuesday 12 May

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
Pañcamī begins 13:17:30
11:0311:2711:5112:1512:3913:0313:27

0 of 48 minutes covered

Midday of Wednesday 13 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 13:18 on Tue 12 May to 14:48 on Wed 13 May.

    1959-05-12T05:17:30Z → 1959-05-13T06:48:09Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 12th, 11:51–12:39 on the 13th.

    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 12th and 48 of 48 on the 13th.

    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 2326 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 1959: Wednesday 13 May.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī 1959 falls on Wednesday 13 May. Pañcamī runs from 13:18 on Tue 12 May to 14:48 on Wed 13 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1959/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 13 May
Ahargaṇa, classicalDisc centre, no refractionWed 13 May
compat-drikpanchangComparison profileWed 13 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 12thCoveredMadhyāhna 13thCoveredRuled
Los Angeles22:18 → 23:4812:2548 min12:250 min12 May
Chicago00:18 → 01:4812:2348 min12:230 min12 May
Jersey City01:18 → 02:4812:2948 min12:290 min12 May
Port of Spain01:18 → 02:4811:3848 min11:380 min12 May
London06:18 → 07:4812:3348 min12:330 min12 May
Durban07:18 → 08:4811:2848 min11:280 min12 May
Dubai09:18 → 10:4811:5148 min11:510 min12 May
Delhi10:48 → 12:1811:5448 min11:5425 min12 May
Kolkata10:48 → 12:1811:0948 min11:0948 min12 May
Singapore12:48 → 14:1812:077 min12:0748 min13 May
Sydney15:18 → 16:4811:270 min11:2748 min13 May
Suva17:18 → 18:4811:390 min11:3948 min13 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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