Ruling · Rādhāṣṭamī · 2056

Saturday 16 September

Determinatein Daegu, under the Rashtriya Panchang method. Clear of every threshold by 248 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 Saturday 16 September

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:56  12:44 madhyāhna ends
11:0811:3211:5612:2012:4413:0813:32

48 of 48 minutes covered

Midday of Sunday 17 September

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:56  12:44 madhyāhna ends
11:0811:3211:5612:2012:4413:0813:32

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 07:48 on Sat 16 Sep to 06:00 on Sun 17 Sep.

    2056-09-15T22:47:50Z → 2056-09-16T21:00:00Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 16th, 11:56–12:44 on the 17th.

    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 16th and 0 of 48 on the 17th.

    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 14898 s

  5. 05

    Ruling

    Rādhāṣṭamī, Daegu, 2056: Saturday 16 September.

    confidence: determinate

Say it like this

In Daegu, Rādhāṣṭamī 2056 falls on Saturday 16 September. Aṣṭamī runs from 07:48 on Sat 16 Sep to 06:00 on Sun 17 Sep and covers all of madhyāhna that midday.

ahargana.org/daegu/festivals/2056/radhashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 16 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 16 Sep
compat-drikpanchangComparison profileSat 16 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 15thCoveredMadhyāhna 16thCoveredRuled
Los Angeles15:48 → 14:0012:240 min12:2348 min16 Sep
Chicago17:48 → 16:0012:210 min12:2148 min16 Sep
Jersey City18:48 → 17:0012:270 min12:2748 min16 Sep
Port of Spain18:48 → 17:0011:370 min11:3748 min16 Sep
London23:48 → 22:0012:310 min12:3148 min16 Sep
Durban00:48 → 23:0011:270 min11:2748 min16 Sep
Dubai02:48 → 01:0011:500 min11:4948 min16 Sep
Delhi04:18 → 02:3011:520 min11:5248 min16 Sep
Kolkata04:18 → 02:3011:080 min11:0748 min16 Sep
Singapore06:48 → 05:0012:360 min12:3548 min16 Sep
Sydney08:48 → 07:0011:270 min11:2648 min16 Sep
Suva10:48 → 09:0011:380 min11:3748 min16 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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