Ruling · Rādhāṣṭamī · 2063

Thursday 30 August

Boundaryin Multan, under the Rashtriya Panchang method. Both middays qualify and the rule does not say which to take. Say “contested”.

Decide it for

30°12′ N 71°29′ E · Asia/Karachi · GeoNames 1169825

The two middays

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

Midday of Thursday 30 August

Taken. Both middays qualify; the rule is silent, and this one is covered longer.

madhyāhna begins 11:51  12:39 madhyāhna ends
Aṣṭamī begins 12:12:12
11:0311:2711:5112:1512:3913:0313:27

26 of 48 minutes covered, the last 26

Midday of Friday 31 August

Qualifies with 18 of 48 minutes. Not taken.

madhyāhna begins 11:50  12:38 madhyāhna ends
Aṣṭamī ends 12:08:18
11:0211:2611:5012:1412:3813:0213:26

18 of 48 minutes covered, the first 18

Aṣṭamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 12:12 on Thu 30 Aug to 12:08 on Fri 31 Aug.

    2063-08-30T07:12:12Z → 2063-08-31T07:08:19Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 30th, 11:50–12:38 on the 31st.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 26 of 48 minutes on the 30th and 18 of 48 on the 31st.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

    priority: unstated → greater-coverage · margin 1075 s

  5. 05

    Ruling

    Rādhāṣṭamī, Multan, 2063: Thursday 30 August.

    confidence: boundary (tie-break-unstated)

Say it like this

In Multan, Rādhāṣṭamī 2063 falls on Thursday 30 August. Aṣṭamī runs from 12:12 on Thu 30 Aug to 12:08 on Fri 31 Aug and covers 26 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 18 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

ahargana.org/multan/festivals/2063/radhashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 30 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 30 Aug
compat-drikpanchangComparison profileThu 30 Aug
No institution has a recorded ruling for Multan.

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 30thCoveredMadhyāhna 31stCoveredRuled
Los Angeles00:12 → 00:0812:2948 min12:290 min30 Aug
Chicago02:12 → 02:0812:2748 min12:270 min30 Aug
Jersey City03:12 → 03:0812:3348 min12:320 min30 Aug
Port of Spain03:12 → 03:0811:4348 min11:420 min30 Aug
London08:12 → 08:0812:3748 min12:360 min30 Aug
Durban09:12 → 09:0811:3348 min11:330 min30 Aug
Dubai11:12 → 11:0811:5548 min11:550 min30 Aug
Delhi12:42 → 12:3811:584 min11:5741 min31 Aug
Kolkata12:42 → 12:3811:130 min11:1348 min31 Aug
Singapore15:12 → 15:0812:410 min12:4148 min31 Aug
Sydney17:12 → 17:0811:320 min11:3248 min31 Aug
Suva19:12 → 19:0811:430 min11:4348 min31 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

About Ahargaṇa