Ruling · Śaṅkara Jayantī (Shankaracharya Jayanti) · 1971

Thursday 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 Thursday 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

Midday of Friday 30 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

Pañcamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 02:16 on Thu 29 Apr to 01:35 on Fri 30 Apr.

    1971-04-28T18:15:31Z → 1971-04-29T17:34:39Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 29th, 11:52–12:40 on the 30th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.

    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 34585 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 1971: Thursday 29 April.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī (Shankaracharya Jayanti) 1971 falls on Thursday 29 April. Pañcamī runs from 02:16 on Thu 29 Apr to 01:35 on Fri 30 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1971/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 29 Apr
Ahargaṇa, classicalDisc centre, no refractionThu 29 Apr
compat-drikpanchangComparison profileThu 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 Angeles11:16 → 10:3512:2748 min12:270 min28 Apr
Chicago13:16 → 12:3512:240 min12:2410 min29 Apr
Jersey City14:16 → 13:3512:300 min12:3048 min29 Apr
Port of Spain14:16 → 13:3511:400 min11:4048 min29 Apr
London19:16 → 18:3512:350 min12:3448 min29 Apr
Durban20:16 → 19:3511:290 min11:2948 min29 Apr
Dubai22:16 → 21:3511:530 min11:5248 min29 Apr
Delhi23:46 → 23:0511:550 min11:5548 min29 Apr
Kolkata23:46 → 23:0511:100 min11:1048 min29 Apr
Singapore01:46 → 01:0512:080 min12:0848 min29 Apr
Sydney04:16 → 03:3511:290 min11:2848 min29 Apr
Suva06:16 → 05:3511:400 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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