Ruling · Śaṅkara Jayantī (Shankaracharya Jayanti) · 2020

Tuesday 28 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 260 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 27 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 Tuesday 28 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 17:00 on Mon 27 Apr to 17:38 on Tue 28 Apr.

    2020-04-27T09:00:17Z → 2020-04-28T09:38:21Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 27th, 11:52–12:40 on the 28th.

    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 27th and 48 of 48 on the 28th.

    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 15611 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 2020: Tuesday 28 April.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī (Shankaracharya Jayanti) 2020 falls on Tuesday 28 April. Pañcamī runs from 17:00 on Mon 27 Apr to 17:38 on Tue 28 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2020/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 28 Apr
Ahargaṇa, classicalDisc centre, no refractionTue 28 Apr
compat-drikpanchangComparison profileTue 28 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 27thCoveredMadhyāhna 28thCoveredRuled
Los Angeles02:00 → 02:3812:2748 min12:270 min27 Apr
Chicago04:00 → 04:3812:2548 min12:240 min27 Apr
Jersey City05:00 → 05:3812:3048 min12:300 min27 Apr
Port of Spain05:00 → 05:3811:4048 min11:400 min27 Apr
London10:00 → 10:3812:3548 min12:350 min27 Apr
Durban11:00 → 11:3811:2948 min11:299 min27 Apr
Dubai13:00 → 13:3811:530 min11:5248 min28 Apr
Delhi14:30 → 15:0811:550 min11:5548 min28 Apr
Kolkata14:30 → 15:0811:100 min11:1048 min28 Apr
Singapore17:00 → 17:3812:380 min12:3848 min28 Apr
Sydney19:00 → 19:3811:290 min11:2848 min28 Apr
Suva21:00 → 21:3811:400 min11:4048 min28 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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