Ruling · Rādhāṣṭamī · 1998

Sunday 30 August

Determinatein Daegu, under the Rashtriya Panchang method. Clear of every threshold by 546 minutes.

Decide it for

DaeguDelhiKolkataSingaporeSydneyJersey City

35°52′ N 128°36′ E · Asia/Seoul · GeoNames 1835329

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Sunday 30 August

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 12:02  12:50 madhyāhna ends
11:1411:3812:0212:2612:5013:1413:38

48 of 48 minutes covered

Midday of Monday 31 August

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:02  12:50 madhyāhna ends
11:1411:3812:0212:2612:5013:1413:38

0 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 01:10 on Sun 30 Aug to 02:56 on Mon 31 Aug.

    1998-08-29T16:09:33Z → 1998-08-30T17:55:38Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 30th, 12:02–12:50 on the 31st.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 31st.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 32769 s

  5. 05

    Ruling

    Rādhāṣṭamī, Daegu, 1998: Sunday 30 August.

    confidence: determinate

Say it like this

In Daegu, Rādhāṣṭamī 1998 falls on Sunday 30 August. Aṣṭamī runs from 01:10 on Sun 30 Aug to 02:56 on Mon 31 Aug and covers all of madhyāhna that midday.

ahargana.org/daegu/festivals/1998/radhashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 30 Aug
Ahargaṇa, classicalDisc centre, no refractionSun 30 Aug
compat-drikpanchangComparison profileSun 30 Aug
No institution has a recorded ruling for Daegu.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/radhashtami · ruleset 2026.3-draft

Month
Bhādrapada, amānta
Pakṣa · aṅga
Śukla · Aṣṭamī
Kāla
Madhyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 103

“S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAṣṭamīMadhyāhna 29thCoveredMadhyāhna 30thCoveredRuled
Los Angeles09:10 → 10:5612:3048 min12:290 min29 Aug
Chicago11:10 → 12:5612:2748 min12:2729 min29 Aug
Jersey City12:10 → 13:5612:3348 min12:3348 min29 Aug
Port of Spain12:10 → 13:5611:4321 min11:4348 min30 Aug
London17:10 → 18:5612:370 min12:3748 min30 Aug
Durban18:10 → 19:5611:330 min11:3348 min30 Aug
Dubai20:10 → 21:5611:560 min11:5548 min30 Aug
Delhi21:40 → 23:2611:580 min11:5848 min30 Aug
Kolkata21:40 → 23:2611:130 min11:1348 min30 Aug
Singapore00:10 → 01:5612:420 min12:4148 min30 Aug
Sydney02:10 → 03:5611:330 min11:3248 min30 Aug
Suva04:10 → 05:5611:440 min11:4348 min30 Aug
Profile · tradition
pac-rp@2026.1 · smarta
Rule
radhashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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