Ruling · Rādhāṣṭamī · 1917

Saturday 25 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 Saturday 25 August

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

madhyāhna begins 12:22  13:10 madhyāhna ends
Aṣṭamī begins 12:34:34
11:3411:5812:2212:4613:1013:3413:58

35 of 48 minutes covered, the last 35

Midday of Sunday 26 August

Qualifies with 8 of 48 minutes. Not taken.

madhyāhna begins 12:22  13:10 madhyāhna ends
Aṣṭamī ends 12:30:08
11:3411:5812:2212:4613:1013:3413:58

8 of 48 minutes covered, the first 8

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 12:35 on Sat 25 Aug to 12:30 on Sun 26 Aug.

    1917-08-25T07:04:35Z → 1917-08-26T07:00:09Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:22–13:10 on the 25th, 12:22–13:10 on the 26th.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 35 of 48 minutes on the 25th and 8 of 48 on the 26th.

    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 504 s

  5. 05

    Ruling

    Rādhāṣṭamī, Multan, 1917: Saturday 25 August.

    confidence: boundary (tie-break-unstated)

Say it like this

In Multan, Rādhāṣṭamī 1917 falls on Saturday 25 August. Aṣṭamī runs from 12:35 on Sat 25 Aug to 12:30 on Sun 26 Aug and covers 35 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 8 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/1917/radhashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 25 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 25 Aug
compat-drikpanchangComparison profileSat 25 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 25thCoveredMadhyāhna 26thCoveredRuled
Los Angeles23:05 → 23:0011:3148 min11:300 min25 Aug
Chicago01:05 → 01:0011:2848 min11:280 min25 Aug
Jersey City02:05 → 02:0011:3448 min11:340 min25 Aug
Port of Spain03:05 → 03:0011:4448 min11:440 min25 Aug
London08:05 → 08:0012:3848 min12:380 min25 Aug
Durban09:05 → 09:0011:3448 min11:340 min25 Aug
Dubai10:46 → 10:4111:3848 min11:370 min25 Aug
Delhi12:35 → 12:3011:5912 min11:5931 min26 Aug
Kolkata12:35 → 12:3011:150 min11:1448 min26 Aug
Singapore14:05 → 14:0011:430 min11:4348 min26 Aug
Sydney17:05 → 17:0011:340 min11:3348 min26 Aug
Suva19:05 → 19:0011:450 min11:4448 min26 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