Ruling · Rādhāṣṭamī · 1948

Friday 10 September

Determinatein Daegu, under the Rashtriya Panchang method. Clear of every threshold by 455 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 Friday 10 September

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 12:58  13:46 madhyāhna ends
12:1012:3412:5813:2213:4614:1014:34

48 of 48 minutes covered

Midday of Saturday 11 September

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:58  13:46 madhyāhna ends
12:1012:3412:5813:2213:4614:1014:34

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 04:58 on Fri 10 Sep to 05:23 on Sat 11 Sep.

    1948-09-09T18:57:44Z → 1948-09-10T19:23:06Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:58–13:46 on the 10th, 12:58–13:46 on the 11th.

    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 10th and 0 of 48 on the 11th.

    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 27295 s

  5. 05

    Ruling

    Rādhāṣṭamī, Daegu, 1948: Friday 10 September.

    confidence: determinate

Say it like this

In Daegu, Rādhāṣṭamī 1948 falls on Friday 10 September. Aṣṭamī runs from 04:58 on Fri 10 Sep to 05:23 on Sat 11 Sep and covers all of madhyāhna that midday.

ahargana.org/daegu/festivals/1948/radhashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 10 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 10 Sep
compat-drikpanchangComparison profileFri 10 Sep
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 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles11:58 → 12:2312:2648 min12:260 min9 Sep
Chicago13:58 → 14:2312:230 min12:2348 min10 Sep
Jersey City14:58 → 15:2312:290 min12:2948 min10 Sep
Port of Spain14:58 → 15:2311:390 min11:3948 min10 Sep
London19:58 → 20:2312:330 min12:3348 min10 Sep
Durban20:58 → 21:2311:290 min11:2948 min10 Sep
Dubai22:58 → 23:2311:520 min11:5248 min10 Sep
Delhi00:28 → 00:5311:540 min11:5448 min10 Sep
Kolkata00:28 → 00:5311:100 min11:0948 min10 Sep
Singapore02:28 → 02:5312:080 min12:0848 min10 Sep
Sydney04:58 → 05:2311:290 min11:2948 min10 Sep
Suva06:58 → 07:2311:400 min11:4048 min10 Sep
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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