Ruling · Śaṅkara Jayantī (Shankaracharya Jayanti) · 2097

Thursday 16 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 27 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 15 May

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
Pañcamī begins 13:06:26
11:0311:2711:5112:1512:3913:0313:27

0 of 48 minutes covered

Midday of Thursday 16 May

Taken. Pañcamī reaches neither midday; the rule takes the second day.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

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 13:06 on Wed 15 May to 10:14 on Thu 16 May.

    2097-05-15T05:06:27Z → 2097-05-16T02:13:47Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 15th, 11:51–12:39 on the 16th.

    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 15th and 0 of 48 on the 16th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: unstated → second-day · margin 1633 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 2097: Thursday 16 May.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī (Shankaracharya Jayanti) 2097 falls on Thursday 16 May. Pañcamī runs from 13:06 on Wed 15 May to 10:14 on Thu 16 May, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/2097/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 16 May
Ahargaṇa, classicalDisc centre, no refractionThu 16 May
compat-drikpanchangComparison profileWed 15 May
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 15thCoveredMadhyāhna 16thCoveredRuled
Los Angeles22:06 → 19:1412:2648 min12:260 min15 May
Chicago00:06 → 21:1412:2448 min12:240 min15 May
Jersey City01:06 → 22:1412:2948 min12:290 min15 May
Port of Spain01:06 → 22:1411:3948 min11:390 min15 May
London06:06 → 03:1412:3448 min12:340 min15 May
Durban07:06 → 04:1411:2948 min11:290 min15 May
Dubai09:06 → 06:1411:5248 min11:520 min15 May
Delhi10:36 → 07:4411:5448 min11:540 min15 May
Kolkata10:36 → 07:4411:0948 min11:100 min15 May
Singapore13:06 → 10:1412:3719 min12:370 min15 May
Sydney15:06 → 12:1411:280 min11:2846 min16 May
Suva17:06 → 14:1411:390 min11:3948 min16 May
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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