Ruling · Rādhāṣṭamī · 2066

Saturday 28 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 395 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

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

Midday of Saturday 28 August

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

48 of 48 minutes covered

Midday of Sunday 29 August

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

0 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 05:20 on Sat 28 Aug to 03:27 on Sun 29 Aug.

    2066-08-27T21:20:26Z → 2066-08-28T19:26:45Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 28th, 11:55–12:43 on the 29th.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.

    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 23689 s

  5. 05

    Ruling

    Rādhāṣṭamī, Baoding, 2066: Saturday 28 August.

    confidence: determinate

Say it like this

In Baoding, Rādhāṣṭamī 2066 falls on Saturday 28 August. Aṣṭamī runs from 05:20 on Sat 28 Aug to 03:27 on Sun 29 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2066/radhashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 28 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 28 Aug
compat-drikpanchangComparison profileSat 28 Aug
No institution has a recorded ruling for Baoding.

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 27thCoveredMadhyāhna 28thCoveredRuled
Los Angeles14:20 → 12:2712:300 min12:300 min28 Aug
Chicago16:20 → 14:2712:280 min12:2748 min28 Aug
Jersey City17:20 → 15:2712:340 min12:3348 min28 Aug
Port of Spain17:20 → 15:2711:440 min11:4348 min28 Aug
London22:20 → 20:2712:380 min12:3748 min28 Aug
Durban23:20 → 21:2711:340 min11:3348 min28 Aug
Dubai01:20 → 23:2711:560 min11:5648 min28 Aug
Delhi02:50 → 00:5711:590 min11:5848 min28 Aug
Kolkata02:50 → 00:5711:140 min11:1448 min28 Aug
Singapore05:20 → 03:2712:420 min12:4248 min28 Aug
Sydney07:20 → 05:2711:330 min11:3348 min28 Aug
Suva09:20 → 07:2711:440 min11:4448 min28 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

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