Ruling · Śaṅkara Jayantī (Shankaracharya Jayanti) · 1983

Tuesday 17 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 207 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 16 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 17 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 18:34 on Mon 16 May to 16:05 on Tue 17 May.

    1983-05-16T10:33:52Z → 1983-05-17T08:05:27Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 16th, 11:51–12:39 on the 17th.

    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 16th and 48 of 48 on the 17th.

    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 12403 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 1983: Tuesday 17 May.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī (Shankaracharya Jayanti) 1983 falls on Tuesday 17 May. Pañcamī runs from 18:34 on Mon 16 May to 16:05 on Tue 17 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1983/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 17 May
Ahargaṇa, classicalDisc centre, no refractionTue 17 May
compat-drikpanchangComparison profileTue 17 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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles03:34 → 01:0512:2648 min12:260 min16 May
Chicago05:34 → 03:0512:2348 min12:230 min16 May
Jersey City06:34 → 04:0512:2948 min12:290 min16 May
Port of Spain06:34 → 04:0511:3848 min11:380 min16 May
London11:34 → 09:0512:3348 min12:330 min16 May
Durban12:34 → 10:0511:280 min11:280 min17 May
Dubai14:34 → 12:0511:510 min11:5114 min17 May
Delhi16:04 → 13:3511:540 min11:5448 min17 May
Kolkata16:04 → 13:3511:090 min11:0948 min17 May
Singapore18:34 → 16:0512:370 min12:3748 min17 May
Sydney20:34 → 18:0511:270 min11:2748 min17 May
Suva22:34 → 20:0511:390 min11:3948 min17 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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