Ruling · Rādhāṣṭamī · 2078

Wednesday 14 September

Determinatein Lima, under the Rashtriya Panchang method. Clear of every threshold by 293 minutes.

Decide it for

LimaDelhiKolkataSingaporeSydneyJersey City

12°03′ S 77°02′ W · America/Lima · GeoNames 3936456

The two middays

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

Midday of Tuesday 13 September

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:40  12:28 madhyāhna ends
10:5211:1611:4012:0412:2812:5213:16

0 of 48 minutes covered

Midday of Wednesday 14 September

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:40  12:28 madhyāhna ends
10:5211:1611:4012:0412:2812:5213:16

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 17:21 on Tue 13 Sep to 19:17 on Wed 14 Sep.

    2078-09-13T22:20:50Z → 2078-09-15T00:17:10Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 13th, 11:40–12:28 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 17561 s

  5. 05

    Ruling

    Rādhāṣṭamī, Lima, 2078: Wednesday 14 September.

    confidence: determinate

Say it like this

In Lima, Rādhāṣṭamī 2078 falls on Wednesday 14 September. Aṣṭamī runs from 17:21 on Tue 13 Sep to 19:17 on Wed 14 Sep and covers all of madhyāhna that midday.

ahargana.org/lima/festivals/2078/radhashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 14 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 14 Sep
compat-drikpanchangComparison profileWed 14 Sep
No institution has a recorded ruling for Lima.

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 15thCoveredRuled
Los Angeles15:21 → 17:1712:250 min12:240 min14 Sep
Chicago17:21 → 19:1712:220 min12:210 min14 Sep
Jersey City18:21 → 20:1712:280 min12:270 min14 Sep
Port of Spain18:21 → 20:1711:380 min11:370 min14 Sep
London23:21 → 01:1712:320 min12:310 min14 Sep
Durban00:21 → 02:1711:280 min11:270 min14 Sep
Dubai02:21 → 04:1711:510 min11:500 min14 Sep
Delhi03:51 → 05:4711:530 min11:520 min14 Sep
Kolkata03:51 → 05:4711:090 min11:080 min14 Sep
Singapore06:21 → 08:1712:370 min12:360 min14 Sep
Sydney08:21 → 10:1711:280 min11:270 min14 Sep
Suva10:21 → 12:1711:390 min11:3839 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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