Ruling · Śaṅkara Jayantī · 1989

Tuesday 9 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 139 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 9 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 Wednesday 10 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 10:31 on Tue 9 May to 09:42 on Wed 10 May.

    1989-05-09T01:31:25Z → 1989-05-10T00:41:33Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:51–13:39 on the 9th, 12:51–13:39 on the 10th.

    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 9th and 0 of 48 on the 10th.

    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 8366 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 1989: Tuesday 9 May.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī 1989 falls on Tuesday 9 May. Pañcamī runs from 10:31 on Tue 9 May to 09:42 on Wed 10 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1989/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 9 May
Ahargaṇa, classicalDisc centre, no refractionTue 9 May
compat-drikpanchangComparison profileTue 9 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 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles18:31 → 17:4212:2648 min12:260 min9 May
Chicago20:31 → 19:4212:2348 min12:230 min9 May
Jersey City21:31 → 20:4212:2948 min12:290 min9 May
Port of Spain21:31 → 20:4211:3948 min11:380 min9 May
London02:31 → 01:4212:3348 min12:330 min9 May
Durban03:31 → 02:4211:2848 min11:280 min9 May
Dubai05:31 → 04:4211:5148 min11:510 min9 May
Delhi07:01 → 06:1211:5448 min11:540 min9 May
Kolkata07:01 → 06:1211:0948 min11:090 min9 May
Singapore09:31 → 08:4212:3748 min12:370 min9 May
Sydney11:31 → 10:4211:2744 min11:270 min9 May
Suva13:31 → 12:4211:390 min11:3948 min10 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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