Ruling · Rādhāṣṭamī · 2084

Friday 8 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 24 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 Thursday 7 September

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
Aṣṭamī begins 13:16:55
11:0411:2811:5212:1612:4013:0413:28

0 of 48 minutes covered

Midday of Friday 8 September

Taken. Aṣṭamī reaches neither midday; the rule takes the second day.

madhyāhna begins 11:52  12:40 madhyāhna ends
Aṣṭamī ends 11:27:08
11:0411:2811:5212:1612:4013:0413:28

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 13:17 on Thu 7 Sep to 11:27 on Fri 8 Sep.

    2084-09-07T05:16:56Z → 2084-09-08T03:27:09Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 7th, 11:52–12:40 on the 8th.

    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 7th and 0 of 48 on the 8th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: unstated → second-day · margin 1468 s

  5. 05

    Ruling

    Rādhāṣṭamī, Baoding, 2084: Friday 8 September.

    confidence: determinate

Say it like this

In Baoding, Rādhāṣṭamī 2084 falls on Friday 8 September. Aṣṭamī runs from 13:17 on Thu 7 Sep to 11:27 on Fri 8 Sep, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/2084/radhashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 8 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 8 Sep
compat-drikpanchangComparison profileFri 8 Sep
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 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles22:17 → 20:2712:2748 min12:260 min7 Sep
Chicago00:17 → 22:2712:2448 min12:240 min7 Sep
Jersey City01:17 → 23:2712:3048 min12:300 min7 Sep
Port of Spain01:17 → 23:2711:4048 min11:400 min7 Sep
London06:17 → 04:2712:3448 min12:340 min7 Sep
Durban07:17 → 05:2711:3048 min11:300 min7 Sep
Dubai09:17 → 07:2711:5348 min11:520 min7 Sep
Delhi10:47 → 08:5711:5548 min11:550 min7 Sep
Kolkata10:47 → 08:5711:1048 min11:100 min7 Sep
Singapore13:17 → 11:2712:3910 min12:380 min7 Sep
Sydney15:17 → 13:2711:300 min11:2948 min8 Sep
Suva17:17 → 15:2711:410 min11:4048 min8 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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