Ruling · Śaṅkara Jayantī · 1948

Thursday 13 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 426 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 Thursday 13 May

Taken. The only midday Pañcamī reaches.

madhyāhna begins 12:51  13:39 madhyāhna ends
12:0312:2712:5113:1513:3914:0314:27

48 of 48 minutes covered

Midday of Friday 14 May

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:51  13:39 madhyāhna ends
12:0312:2712:5113:1513:3914:0314:27

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 05:45 on Thu 13 May to 03:37 on Fri 14 May.

    1948-05-12T20:44:54Z → 1948-05-13T18:37:06Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:51–13:39 on the 13th, 12:51–13:39 on the 14th.

    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 13th and 0 of 48 on the 14th.

    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 25547 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 1948: Thursday 13 May.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī 1948 falls on Thursday 13 May. Pañcamī runs from 05:45 on Thu 13 May to 03:37 on Fri 14 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1948/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 13 May
Ahargaṇa, classicalDisc centre, no refractionThu 13 May
compat-drikpanchangComparison profileThu 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 Angeles13:45 → 11:3712:250 min12:250 min13 May
Chicago15:45 → 13:3712:230 min12:2348 min13 May
Jersey City16:45 → 14:3712:290 min12:2948 min13 May
Port of Spain16:45 → 14:3711:380 min11:3848 min13 May
London21:45 → 19:3712:330 min12:3348 min13 May
Durban22:45 → 20:3711:280 min11:2848 min13 May
Dubai00:45 → 22:3711:510 min11:5148 min13 May
Delhi02:15 → 00:0711:540 min11:5448 min13 May
Kolkata02:15 → 00:0711:090 min11:0948 min13 May
Singapore04:15 → 02:0712:070 min12:0748 min13 May
Sydney06:45 → 04:3711:270 min11:2748 min13 May
Suva08:45 → 06:3711:380 min11:3848 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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