Ruling · Śaṅkara Jayantī (Shankaracharya Jayanti) · 1985

Thursday 25 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 589 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 Wednesday 24 April

Pañcamī is absent from madhyāhna. Not taken.

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

0 of 48 minutes covered

Midday of Thursday 25 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 22:29 on Wed 24 Apr to 23:50 on Thu 25 Apr.

    1985-04-24T14:29:23Z → 1985-04-25T15:50:26Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 24th, 11:52–12:40 on the 25th.

    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 24th and 48 of 48 on the 25th.

    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 35323 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 1985: Thursday 25 April.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī (Shankaracharya Jayanti) 1985 falls on Thursday 25 April. Pañcamī runs from 22:29 on Wed 24 Apr to 23:50 on Thu 25 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1985/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 25 Apr
Ahargaṇa, classicalDisc centre, no refractionThu 25 Apr
compat-drikpanchangComparison profileThu 25 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 24thCoveredMadhyāhna 25thCoveredRuled
Los Angeles06:29 → 07:5011:2748 min11:270 min24 Apr
Chicago08:29 → 09:5011:2548 min11:250 min24 Apr
Jersey City09:29 → 10:5011:3148 min11:310 min24 Apr
Port of Spain10:29 → 11:5011:4048 min11:4010 min24 Apr
London15:29 → 16:5012:350 min12:3548 min25 Apr
Durban16:29 → 17:5011:300 min11:3048 min25 Apr
Dubai18:29 → 19:5011:530 min11:5348 min25 Apr
Delhi19:59 → 21:2011:550 min11:5548 min25 Apr
Kolkata19:59 → 21:2011:110 min11:1148 min25 Apr
Singapore22:29 → 23:5012:390 min12:3948 min25 Apr
Sydney00:29 → 01:5011:290 min11:2948 min25 Apr
Suva02:29 → 03:5011:400 min11:4048 min25 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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