Ruling · Rādhāṣṭamī · 1938

Friday 2 September

Determinatein Daegu, under the Rashtriya Panchang method. Clear of every threshold by 44 minutes.

Decide it for

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 Thursday 1 September

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:02  12:50 madhyāhna ends
Aṣṭamī begins 13:33:45
11:1411:3812:0212:2612:5013:1413:38

0 of 48 minutes covered

Midday of Friday 2 September

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 12:01  12:49 madhyāhna ends
11:1311:3712:0112:2512:4913:1313:37

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 13:34 on Thu 1 Sep to 15:30 on Fri 2 Sep.

    1938-09-01T04:33:45Z → 1938-09-02T06:30:08Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 1st, 12:01–12:49 on the 2nd.

    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 1st and 48 of 48 on the 2nd.

    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 2653 s

  5. 05

    Ruling

    Rādhāṣṭamī, Daegu, 1938: Friday 2 September.

    confidence: determinate

Say it like this

In Daegu, Rādhāṣṭamī 1938 falls on Friday 2 September. Aṣṭamī runs from 13:34 on Thu 1 Sep to 15:30 on Fri 2 Sep and covers all of madhyāhna that midday.

ahargana.org/daegu/festivals/1938/radhashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 2 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 2 Sep
compat-drikpanchangComparison profileFri 2 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 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles20:34 → 22:3011:2948 min11:280 min1 Sep
Chicago23:34 → 01:3012:2648 min12:260 min1 Sep
Jersey City00:34 → 02:3012:3248 min12:320 min1 Sep
Port of Spain00:34 → 02:3011:4248 min11:420 min1 Sep
London05:34 → 07:3012:3648 min12:360 min1 Sep
Durban06:34 → 08:3011:3248 min11:320 min1 Sep
Dubai08:34 → 10:3011:5548 min11:540 min1 Sep
Delhi10:04 → 12:0011:5748 min11:573 min1 Sep
Kolkata10:04 → 12:0011:1348 min11:1248 min1 Sep
Singapore11:54 → 13:5012:0148 min12:0048 min1 Sep
Sydney14:34 → 16:3011:320 min11:3148 min2 Sep
Suva16:34 → 18:3011:430 min11:4248 min2 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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