Ruling · Rādhāṣṭamī · 1963

Tuesday 27 August

Determinatein Puning, under the Rashtriya Panchang method. Clear of every threshold by 471 minutes.

Decide it for

PuningDelhiKolkataSingaporeSydneyJersey City

23°19′ N 116°10′ E · Asia/Shanghai · GeoNames 1802940

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Tuesday 27 August

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

48 of 48 minutes covered

Midday of Wednesday 28 August

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

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 01:43 on Tue 27 Aug to 04:01 on Wed 28 Aug.

    1963-08-26T17:42:34Z → 1963-08-27T20:01:11Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 27th, 11:53–12:41 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 48 of 48 minutes on the 27th and 0 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 28287 s

  5. 05

    Ruling

    Rādhāṣṭamī, Puning, 1963: Tuesday 27 August.

    confidence: determinate

Say it like this

In Puning, Rādhāṣṭamī 1963 falls on Tuesday 27 August. Aṣṭamī runs from 01:43 on Tue 27 Aug to 04:01 on Wed 28 Aug and covers all of madhyāhna that midday.

ahargana.org/puning/festivals/1963/radhashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 27 Aug
Ahargaṇa, classicalDisc centre, no refractionTue 27 Aug
compat-drikpanchangComparison profileTue 27 Aug
No institution has a recorded ruling for Puning.

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 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles10:43 → 13:0112:3148 min12:3031 min26 Aug
Chicago12:43 → 15:0112:2834 min12:2848 min27 Aug
Jersey City13:43 → 16:0112:340 min12:3448 min27 Aug
Port of Spain13:43 → 16:0111:440 min11:4448 min27 Aug
London18:43 → 21:0112:380 min12:3848 min27 Aug
Durban19:43 → 22:0111:340 min11:3448 min27 Aug
Dubai21:43 → 00:0111:570 min11:5648 min27 Aug
Delhi23:13 → 01:3111:590 min11:5948 min27 Aug
Kolkata23:13 → 01:3111:140 min11:1448 min27 Aug
Singapore01:13 → 03:3112:130 min12:1248 min27 Aug
Sydney03:43 → 06:0111:330 min11:3348 min27 Aug
Suva05:43 → 08:0111:440 min11:4448 min27 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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