Ruling · Śaṅkara Jayantī (Shankaracharya Jayanti) · 2091

Tuesday 24 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 30 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 23 April

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:53  12:41 madhyāhna ends
Pañcamī begins 13:11:19
11:0511:2911:5312:1712:4113:0513:29

0 of 48 minutes covered

Midday of Tuesday 24 April

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

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 13:11 on Mon 23 Apr to 14:13 on Tue 24 Apr.

    2091-04-23T05:11:19Z → 2091-04-24T06:13:00Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 23rd, 11:53–12:41 on the 24th.

    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 23rd and 48 of 48 on the 24th.

    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 1808 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 2091: Tuesday 24 April.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī (Shankaracharya Jayanti) 2091 falls on Tuesday 24 April. Pañcamī runs from 13:11 on Mon 23 Apr to 14:13 on Tue 24 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2091/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 24 Apr
Ahargaṇa, classicalDisc centre, no refractionTue 24 Apr
compat-drikpanchangComparison profileTue 24 Apr
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 23rdCoveredMadhyāhna 24thCoveredRuled
Los Angeles22:11 → 23:1312:2848 min12:280 min23 Apr
Chicago00:11 → 01:1312:2648 min12:250 min23 Apr
Jersey City01:11 → 02:1312:3148 min12:310 min23 Apr
Port of Spain01:11 → 02:1311:4148 min11:410 min23 Apr
London06:11 → 07:1312:3648 min12:360 min23 Apr
Durban07:11 → 08:1311:3048 min11:300 min23 Apr
Dubai09:11 → 10:1311:5448 min11:530 min23 Apr
Delhi10:41 → 11:4311:5648 min11:560 min23 Apr
Kolkata10:41 → 11:4311:1148 min11:1132 min23 Apr
Singapore13:11 → 14:1312:3916 min12:3948 min24 Apr
Sydney15:11 → 16:1311:300 min11:2948 min24 Apr
Suva17:11 → 18:1311:410 min11:4148 min24 Apr
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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