Ruling · Śaṅkara Jayantī (Shankaracharya Jayanti) · 2009

Wednesday 29 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 576 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 28 April

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

0 of 48 minutes covered

Midday of Wednesday 29 April

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

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 00:53 on Wed 29 Apr to 22:16 on Wed 29 Apr.

    2009-04-28T16:53:08Z → 2009-04-29T14:16:09Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 28th, 11:52–12:40 on the 29th.

    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 28th and 48 of 48 on the 29th.

    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 34579 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 2009: Wednesday 29 April.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī (Shankaracharya Jayanti) 2009 falls on Wednesday 29 April. Pañcamī runs from 00:53 on Wed 29 Apr to 22:16 on Wed 29 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2009/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 29 Apr
Ahargaṇa, classicalDisc centre, no refractionWed 29 Apr
compat-drikpanchangComparison profileWed 29 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 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles09:53 → 07:1612:2748 min12:270 min28 Apr
Chicago11:53 → 09:1612:2448 min12:240 min28 Apr
Jersey City12:53 → 10:1612:3025 min12:300 min28 Apr
Port of Spain12:53 → 10:1611:400 min11:390 min29 Apr
London17:53 → 15:1612:350 min12:3448 min29 Apr
Durban18:53 → 16:1611:290 min11:2948 min29 Apr
Dubai20:53 → 18:1611:520 min11:5248 min29 Apr
Delhi22:23 → 19:4611:550 min11:5548 min29 Apr
Kolkata22:23 → 19:4611:100 min11:1048 min29 Apr
Singapore00:53 → 22:1612:380 min12:3848 min29 Apr
Sydney02:53 → 00:1611:280 min11:2848 min29 Apr
Suva04:53 → 02:1611:400 min11:4048 min29 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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