Ruling · Śaṅkara Jayantī (Shankaracharya Jayanti) · 1963

Sunday 28 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 7 min 11 s.

Decide it for

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 Saturday 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 Sunday 28 April

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:52  12:40 madhyāhna ends
Pañcamī ends 12:47:16
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 14:50 on Sat 27 Apr to 12:47 on Sun 28 Apr.

    1963-04-27T06:50:02Z → 1963-04-28T04:47:16Z

  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 431 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 1963: Sunday 28 April.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī (Shankaracharya Jayanti) 1963 falls on Sunday 28 April. Pañcamī runs from 14:50 on Sat 27 Apr to 12:47 on Sun 28 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1963/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 28 Apr
Ahargaṇa, classicalDisc centre, no refractionSun 28 Apr
compat-drikpanchangComparison profileSun 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 Angeles22:50 → 20:4711:2748 min12:270 min27 Apr
Chicago00:50 → 22:4711:2548 min12:240 min27 Apr
Jersey City01:50 → 23:4711:3048 min12:300 min27 Apr
Port of Spain02:50 → 00:4711:4048 min11:400 min27 Apr
London07:50 → 05:4712:3548 min12:350 min27 Apr
Durban08:50 → 06:4711:2948 min11:290 min27 Apr
Dubai10:50 → 08:4711:5348 min11:530 min27 Apr
Delhi12:20 → 10:1711:5523 min11:550 min27 Apr
Kolkata12:20 → 10:1711:100 min11:100 min28 Apr
Singapore14:20 → 12:1712:080 min12:089 min28 Apr
Sydney16:50 → 14:4711:290 min11:2948 min28 Apr
Suva18:50 → 16:4711:400 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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