Ruling · Śaṅkara Jayantī (Shankaracharya Jayanti) · 1998

Thursday 30 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 259 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 30 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 1 May

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 07:33 on Thu 30 Apr to 06:03 on Fri 1 May.

    1998-04-29T23:32:36Z → 1998-04-30T22:03:05Z

  2. 02

    Kāla

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

    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 30th and 0 of 48 on the 1st.

    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 15549 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 1998: Thursday 30 April.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī (Shankaracharya Jayanti) 1998 falls on Thursday 30 April. Pañcamī runs from 07:33 on Thu 30 Apr to 06:03 on Fri 1 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1998/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 30 Apr
Ahargaṇa, classicalDisc centre, no refractionThu 30 Apr
compat-drikpanchangComparison profileThu 30 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 29thCoveredMadhyāhna 30thCoveredRuled
Los Angeles16:33 → 15:0312:270 min12:2648 min30 Apr
Chicago18:33 → 17:0312:240 min12:2448 min30 Apr
Jersey City19:33 → 18:0312:300 min12:3048 min30 Apr
Port of Spain19:33 → 18:0311:390 min11:3948 min30 Apr
London00:33 → 23:0312:340 min12:3448 min30 Apr
Durban01:33 → 00:0311:290 min11:2948 min30 Apr
Dubai03:33 → 02:0311:520 min11:5248 min30 Apr
Delhi05:03 → 03:3311:550 min11:5548 min30 Apr
Kolkata05:03 → 03:3311:100 min11:1048 min30 Apr
Singapore07:33 → 06:0312:380 min12:3848 min30 Apr
Sydney09:33 → 08:0311:280 min11:2848 min30 Apr
Suva11:33 → 10:0311:400 min11:4048 min30 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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