September 2003 · each Moon as it stands at sunriseBhādrapada Śukla to Āśvina ŚuklaThe month ›

Ruling · 2003 · Changchun

Rādhāṣṭamī

Wednesday 3 September2003 · Changchun, Jilin, China

Determinatemargin 98 min

In Changchun, under the Rashtriya Panchang method. Clear of every threshold by 98 minutes.

Decide it forChangchunDelhiKolkataSingaporeSydneyJersey City43°53′ N 125°19′ E · Asia/Shanghai · GeoNames 2038180

The two middays मध्याह्न

One ghaṭī is 24 minutes

Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Wednesday 3 September

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:14  12:02 madhyāhna ends
10:2610:5011:1411:3812:0212:2612:50

48 of 48 minutes covered

Midday of Thursday 4 September

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:14  12:02 madhyāhna ends
10:2610:5011:1411:3812:0212:2612:50

0 of 48 minutes covered

Aṣṭamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided निर्णय

  1. Step 1, Aṅga

    Aṣṭamī runs from 09:36 on Wed 3 Sep to 07:35 on Thu 4 Sep.

    2003-09-03T01:35:52Z → 2003-09-03T23:35:03Z
  2. Step 2, Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 3rd, 11:14–12:02 on the 4th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
  3. Step 3, Rule

    Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103
  4. Step 4, Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 5882 s
  5. Step 5, Ruling

    Rādhāṣṭamī, Changchun, 2003: Wednesday 3 September.

    confidence: determinate

Say it like this

In Changchun, Rādhāṣṭamī 2003 falls on Wednesday 3 September. Aṣṭamī runs from 09:36 on Wed 3 Sep to 07:35 on Thu 4 Sep and covers all of madhyāhna that midday.

ahargana.org/changchun/festivals/2003/radhashtamipac-rp@2026.1

Who says what

never edited to agree

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 3 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 3 Sep
compat-drikpanchangComparison profileWed 3 Sep
No institution has a recorded ruling for Changchun.

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 clocks

PlaceAṣṭamīMadhyāhna 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles18:36 → 16:3512:2848 min12:280 min3 Sep
Chicago20:36 → 18:3512:2648 min12:250 min3 Sep
Jersey City21:36 → 19:3512:3148 min12:310 min3 Sep
Port of Spain21:36 → 19:3511:4148 min11:410 min3 Sep
London02:36 → 00:3512:3548 min12:350 min3 Sep
Durban03:36 → 01:3511:3248 min11:310 min3 Sep
Dubai05:36 → 03:3511:5448 min11:540 min3 Sep
Delhi07:06 → 05:0511:5648 min11:560 min3 Sep
Kolkata07:06 → 05:0511:1248 min11:120 min3 Sep
Singapore09:36 → 07:3512:4048 min12:400 min3 Sep
Sydney11:36 → 09:3511:3143 min11:310 min3 Sep
Suva13:36 → 11:3511:420 min11:420 min4 Sep
This ruling as JSON · ICS
Profile · tradition
pac-rp@2026.1 · smarta
Rule
radhashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s