Ruling · Rādhāṣṭamī · 1945

Saturday 15 September

Determinatein Daegu, under the Rashtriya Panchang method. Clear of every threshold by 59 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 Friday 14 September

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

0 of 48 minutes covered

Midday of Saturday 15 September

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

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 13:44 on Fri 14 Sep to 15:24 on Sat 15 Sep.

    1945-09-14T04:43:34Z → 1945-09-15T06:23:46Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 14th, 11:57–12:45 on the 15th.

    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 14th and 48 of 48 on the 15th.

    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 3510 s

  5. 05

    Ruling

    Rādhāṣṭamī, Daegu, 1945: Saturday 15 September.

    confidence: determinate

Say it like this

In Daegu, Rādhāṣṭamī 1945 falls on Saturday 15 September. Aṣṭamī runs from 13:44 on Fri 14 Sep to 15:24 on Sat 15 Sep and covers all of madhyāhna that midday.

ahargana.org/daegu/festivals/1945/radhashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 15 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 15 Sep
compat-drikpanchangComparison profileSat 15 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 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles21:44 → 23:2412:2448 min12:240 min14 Sep
Chicago23:44 → 01:2412:2248 min12:210 min14 Sep
Jersey City00:44 → 02:2412:2848 min12:270 min14 Sep
Port of Spain01:44 → 03:2412:3848 min12:370 min14 Sep
London05:44 → 07:2412:3248 min12:310 min14 Sep
Durban06:44 → 08:2411:2848 min11:270 min14 Sep
Dubai08:44 → 10:2411:5048 min11:500 min14 Sep
Delhi11:14 → 12:5412:5348 min12:522 min14 Sep
Kolkata11:14 → 12:5412:0848 min12:0846 min14 Sep
Singapore12:14 → 13:5412:0641 min12:0648 min15 Sep
Sydney14:44 → 16:2411:270 min11:2748 min15 Sep
Suva16:44 → 18:2411:380 min11:3848 min15 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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