Ruling · Rādhāṣṭamī · 1934

Sunday 16 September

Determinatein Lima, under the Rashtriya Panchang method. Clear of every threshold by 366 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 Saturday 15 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 Sunday 16 September

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:39  12:27 madhyāhna ends
10:5111:1511:3912:0312:2712:5113:15

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 20:12 on Sat 15 Sep to 18:33 on Sun 16 Sep.

    1934-09-16T01:11:50Z → 1934-09-16T23:33:25Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 15th, 11:39–12:27 on the 16th.

    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 15th and 48 of 48 on the 16th.

    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 21975 s

  5. 05

    Ruling

    Rādhāṣṭamī, Lima, 1934: Sunday 16 September.

    confidence: determinate

Say it like this

In Lima, Rādhāṣṭamī 1934 falls on Sunday 16 September. Aṣṭamī runs from 20:12 on Sat 15 Sep to 18:33 on Sun 16 Sep and covers all of madhyāhna that midday.

ahargana.org/lima/festivals/1934/radhashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 16 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 16 Sep
compat-drikpanchangComparison profileSun 16 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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles17:12 → 15:3311:2448 min11:230 min16 Sep
Chicago20:12 → 18:3312:2148 min12:210 min16 Sep
Jersey City21:12 → 19:3312:2748 min12:270 min16 Sep
Port of Spain21:12 → 19:3311:3748 min11:370 min16 Sep
London02:12 → 00:3312:3148 min12:310 min16 Sep
Durban03:12 → 01:3311:2748 min11:270 min16 Sep
Dubai05:12 → 03:3311:5048 min11:490 min16 Sep
Delhi06:42 → 05:0311:5248 min11:520 min16 Sep
Kolkata06:42 → 05:0311:0848 min11:070 min16 Sep
Singapore08:32 → 06:5311:5648 min11:550 min16 Sep
Sydney11:12 → 09:3311:2748 min11:260 min16 Sep
Suva13:12 → 11:3311:380 min11:370 min17 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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