Ruling · Rādhāṣṭamī · 2047

Wednesday 28 August

Determinatein Daegu, under the Rashtriya Panchang method. Clear of every threshold by 600 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 Tuesday 27 August

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:03  12:51 madhyāhna ends
11:1511:3912:0312:2712:5113:1513:39

0 of 48 minutes covered

Midday of Wednesday 28 August

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 12:03  12:51 madhyāhna ends
11:1511:3912:0312:2712:5113:1513:39

48 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 00:53 on Wed 28 Aug to 22:51 on Wed 28 Aug.

    2047-08-27T15:53:10Z → 2047-08-28T13:50:36Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 27th, 12:03–12:51 on the 28th.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.

    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 35991 s

  5. 05

    Ruling

    Rādhāṣṭamī, Daegu, 2047: Wednesday 28 August.

    confidence: determinate

Say it like this

In Daegu, Rādhāṣṭamī 2047 falls on Wednesday 28 August. Aṣṭamī runs from 00:53 on Wed 28 Aug to 22:51 on Wed 28 Aug and covers all of madhyāhna that midday.

ahargana.org/daegu/festivals/2047/radhashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 28 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 28 Aug
compat-drikpanchangComparison profileWed 28 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 27thCoveredMadhyāhna 28thCoveredRuled
Los Angeles08:53 → 06:5112:3048 min12:300 min27 Aug
Chicago10:53 → 08:5112:2848 min12:280 min27 Aug
Jersey City11:53 → 09:5112:3448 min12:330 min27 Aug
Port of Spain11:53 → 09:5111:4438 min11:430 min27 Aug
London16:53 → 14:5112:380 min12:3748 min28 Aug
Durban17:53 → 15:5111:340 min11:3348 min28 Aug
Dubai19:53 → 17:5111:560 min11:5648 min28 Aug
Delhi21:23 → 19:2111:590 min11:5848 min28 Aug
Kolkata21:23 → 19:2111:140 min11:1448 min28 Aug
Singapore23:53 → 21:5112:420 min12:4248 min28 Aug
Sydney01:53 → 23:5111:330 min11:3348 min28 Aug
Suva03:53 → 01:5111:440 min11:4448 min28 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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