Ruling · Śaṅkara Jayantī (Shankaracharya Jayanti) · 2087

Wednesday 7 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 16 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 6 May

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
Pañcamī begins 12:55:05
11:0311:2711:5112:1512:3913:0313:27

0 of 48 minutes covered

Midday of Wednesday 7 May

Taken. Pañcamī reaches neither midday; the rule takes the second day.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

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 12:55 on Tue 6 May to 10:56 on Wed 7 May.

    2087-05-06T04:55:05Z → 2087-05-07T02:55:52Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 6th, 11:51–12:39 on the 7th.

    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 6th and 0 of 48 on the 7th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: unstated → second-day · margin 940 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 2087: Wednesday 7 May.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī (Shankaracharya Jayanti) 2087 falls on Wednesday 7 May. Pañcamī runs from 12:55 on Tue 6 May to 10:56 on Wed 7 May, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/2087/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 7 May
Ahargaṇa, classicalDisc centre, no refractionWed 7 May
compat-drikpanchangComparison profileTue 6 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 6thCoveredMadhyāhna 7thCoveredRuled
Los Angeles21:55 → 19:5612:2648 min12:260 min6 May
Chicago23:55 → 21:5612:2448 min12:240 min6 May
Jersey City00:55 → 22:5612:3048 min12:300 min6 May
Port of Spain00:55 → 22:5611:3948 min11:390 min6 May
London05:55 → 03:5612:3448 min12:340 min6 May
Durban06:55 → 04:5611:2948 min11:290 min6 May
Dubai08:55 → 06:5611:5248 min11:520 min6 May
Delhi10:25 → 08:2611:5448 min11:540 min6 May
Kolkata10:25 → 08:2611:1048 min11:100 min6 May
Singapore12:55 → 10:5612:3830 min12:380 min6 May
Sydney14:55 → 12:5611:280 min11:2848 min7 May
Suva16:55 → 14:5611:390 min11:3948 min7 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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