Ruling · Rādhāṣṭamī · 2032

Monday 13 September

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 141 minutes.

Decide it for

DaqingDelhiKolkataSingaporeSydneyJersey City

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two middays

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

Midday of Sunday 12 September

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:12  12:00 madhyāhna ends
10:2410:4811:1211:3612:0012:2412:48

0 of 48 minutes covered

Midday of Monday 13 September

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:11  11:59 madhyāhna ends
10:2310:4711:1111:3511:5912:2312:47

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 15:07 on Sun 12 Sep to 14:20 on Mon 13 Sep.

    2032-09-12T07:07:18Z → 2032-09-13T06:20:05Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:12–12:00 on the 12th, 11:11–11:59 on the 13th.

    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 12th and 48 of 48 on the 13th.

    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 8439 s

  5. 05

    Ruling

    Rādhāṣṭamī, Daqing, 2032: Monday 13 September.

    confidence: determinate

Say it like this

In Daqing, Rādhāṣṭamī 2032 falls on Monday 13 September. Aṣṭamī runs from 15:07 on Sun 12 Sep to 14:20 on Mon 13 Sep and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2032/radhashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 13 Sep
Ahargaṇa, classicalDisc centre, no refractionMon 13 Sep
compat-drikpanchangComparison profileMon 13 Sep
No institution has a recorded ruling for Daqing.

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 12thCoveredMadhyāhna 13thCoveredRuled
Los Angeles00:07 → 23:2012:2548 min12:240 min12 Sep
Chicago02:07 → 01:2012:2248 min12:220 min12 Sep
Jersey City03:07 → 02:2012:2848 min12:280 min12 Sep
Port of Spain03:07 → 02:2011:3848 min11:380 min12 Sep
London08:07 → 07:2012:3248 min12:320 min12 Sep
Durban09:07 → 08:2011:2848 min11:280 min12 Sep
Dubai11:07 → 10:2011:5148 min11:500 min12 Sep
Delhi12:37 → 11:5011:534 min11:530 min12 Sep
Kolkata12:37 → 11:5011:090 min11:0842 min13 Sep
Singapore15:07 → 14:2012:370 min12:3648 min13 Sep
Sydney17:07 → 16:2011:280 min11:2748 min13 Sep
Suva19:07 → 18:2011:390 min11:3848 min13 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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