Ruling · Rādhāṣṭamī · 2002

Saturday 14 September

Determinatein Beijing, under the Rashtriya Panchang method. Clear of every threshold by 74 minutes.

Decide it for

BeijingDelhiKolkataSingaporeSydneyJersey City

39°54′ N 116°24′ E · Asia/Shanghai · GeoNames 1816670

The two middays

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

Midday of Friday 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 Saturday 14 September

Taken. The only midday Aṣṭamī reaches.

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

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 14:38 on Fri 13 Sep to 13:48 on Sat 14 Sep.

    2002-09-13T06:38:14Z → 2002-09-14T05:47:42Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 13th, 11:46–12:34 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 4433 s

  5. 05

    Ruling

    Rādhāṣṭamī, Beijing, 2002: Saturday 14 September.

    confidence: determinate

Say it like this

In Beijing, Rādhāṣṭamī 2002 falls on Saturday 14 September. Aṣṭamī runs from 14:38 on Fri 13 Sep to 13:48 on Sat 14 Sep and covers all of madhyāhna that midday.

ahargana.org/beijing/festivals/2002/radhashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 14 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 14 Sep
compat-drikpanchangComparison profileSat 14 Sep
No institution has a recorded ruling for Beijing.

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 Angeles23:38 → 22:4812:2548 min12:240 min13 Sep
Chicago01:38 → 00:4812:2248 min12:220 min13 Sep
Jersey City02:38 → 01:4812:2848 min12:280 min13 Sep
Port of Spain02:38 → 01:4811:3848 min11:380 min13 Sep
London07:38 → 06:4812:3248 min12:320 min13 Sep
Durban08:38 → 07:4811:2848 min11:280 min13 Sep
Dubai10:38 → 09:4811:5148 min11:500 min13 Sep
Delhi12:08 → 11:1811:5333 min11:530 min13 Sep
Kolkata12:08 → 11:1811:080 min11:0810 min14 Sep
Singapore14:38 → 13:4812:370 min12:3648 min14 Sep
Sydney16:38 → 15:4811:280 min11:2748 min14 Sep
Suva18:38 → 17:4811:390 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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