Ruling · Śaṅkara Jayantī · 1957

Saturday 4 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 403 minutes.

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 4 May

Taken. The only midday Pañcamī reaches.

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

48 of 48 minutes covered

Midday of Sunday 5 May

Pañcamī is absent from madhyāhna. Not taken.

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 05:09 on Sat 4 May to 03:33 on Sun 5 May.

    1957-05-03T21:08:36Z → 1957-05-04T19:32:50Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 4th, 11:51–12:39 on the 5th.

    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 4th and 0 of 48 on the 5th.

    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 24158 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 1957: Saturday 4 May.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī 1957 falls on Saturday 4 May. Pañcamī runs from 05:09 on Sat 4 May to 03:33 on Sun 5 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1957/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 4 May
Ahargaṇa, classicalDisc centre, no refractionSat 4 May
compat-drikpanchangComparison profileSat 4 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 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles14:09 → 12:3312:260 min12:267 min4 May
Chicago16:09 → 14:3312:240 min12:2448 min4 May
Jersey City17:09 → 15:3312:290 min12:2948 min4 May
Port of Spain17:09 → 15:3311:390 min11:3948 min4 May
London22:09 → 20:3312:340 min12:3448 min4 May
Durban23:09 → 21:3311:290 min11:2848 min4 May
Dubai01:09 → 23:3311:520 min11:5248 min4 May
Delhi02:39 → 01:0311:540 min11:5448 min4 May
Kolkata02:39 → 01:0311:100 min11:0948 min4 May
Singapore04:39 → 03:0312:070 min12:0748 min4 May
Sydney07:09 → 05:3311:280 min11:2848 min4 May
Suva09:09 → 07:3311:390 min11:3948 min4 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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