Ruling · Rādhāṣṭamī · 2040

Friday 14 September

Determinatein Multan, under the Rashtriya Panchang method. Clear of every threshold by 339 minutes.

Decide it for

MultanDelhiKolkataSingaporeSydneyJersey City

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 13 September

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:46  12:34 madhyāhna ends
10:5811:2211:4612:1012:3412:5813:22

0 of 48 minutes covered

Midday of Friday 14 September

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:45  12:33 madhyāhna ends
10:5711:2111:4512:0912:3312:5713:21

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 19:56 on Thu 13 Sep to 18:12 on Fri 14 Sep.

    2040-09-13T14:56:09Z → 2040-09-14T13:12:26Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 13th, 11:45–12:33 on the 14th.

    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 13th and 48 of 48 on the 14th.

    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 20347 s

  5. 05

    Ruling

    Rādhāṣṭamī, Multan, 2040: Friday 14 September.

    confidence: determinate

Say it like this

In Multan, Rādhāṣṭamī 2040 falls on Friday 14 September. Aṣṭamī runs from 19:56 on Thu 13 Sep to 18:12 on Fri 14 Sep and covers all of madhyāhna that midday.

ahargana.org/multan/festivals/2040/radhashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 14 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 14 Sep
compat-drikpanchangComparison profileFri 14 Sep
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 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles07:56 → 06:1212:2448 min12:240 min13 Sep
Chicago09:56 → 08:1212:2248 min12:220 min13 Sep
Jersey City10:56 → 09:1212:2848 min12:270 min13 Sep
Port of Spain10:56 → 09:1211:3848 min11:370 min13 Sep
London15:56 → 14:1212:320 min12:3148 min14 Sep
Durban16:56 → 15:1211:280 min11:2848 min14 Sep
Dubai18:56 → 17:1211:500 min11:5048 min14 Sep
Delhi20:26 → 18:4211:530 min11:5248 min14 Sep
Kolkata20:26 → 18:4211:080 min11:0848 min14 Sep
Singapore22:56 → 21:1212:360 min12:3648 min14 Sep
Sydney00:56 → 23:1211:270 min11:2748 min14 Sep
Suva02:56 → 01:1211:380 min11:3848 min14 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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