Ruling · Rāma Navamī · 2002

Sunday 21 April

Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 484 minutes.

Decide it for

TehranDelhiKolkataSingaporeSydneyJersey City

35°42′ N 51°25′ E · Asia/Tehran · GeoNames 112931

The two middays

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

Midday of Sunday 21 April

Taken. The only midday Navamī reaches.

madhyāhna begins 12:39  13:27 madhyāhna ends
11:5112:1512:3913:0313:2713:5114:15

48 of 48 minutes covered

Midday of Monday 22 April

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:39  13:27 madhyāhna ends
11:5112:1512:3913:0313:2713:5114:15

0 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Navamī runs from 04:35 on Sun 21 Apr to 02:41 on Mon 22 Apr.

    2002-04-21T00:05:08Z → 2002-04-21T22:10:59Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:39–13:27 on the 21st, 12:39–13:27 on the 22nd.

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

  3. 03

    Rule

    Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

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

    priority: unstated → only-day · margin 29053 s

  5. 05

    Ruling

    Rāma Navamī, Tehran, 2002: Sunday 21 April.

    confidence: determinate

Say it like this

In Tehran, Rāma Navamī 2002 falls on Sunday 21 April. Navamī runs from 04:35 on Sun 21 Apr to 02:41 on Mon 22 Apr and covers all of madhyāhna that midday.

ahargana.org/tehran/festivals/2002/rama-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 21 Apr
Ahargaṇa, classicalDisc centre, no refractionSun 21 Apr
compat-drikpanchangComparison profileSun 21 Apr
No institution has a recorded ruling for Tehran.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/rama-navami · ruleset 2026.3-draft

Month
Caitra, amānta
Pakṣa · aṅga
Śukla · Navamī
Kāla
Madhyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 102

“S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102. The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceNavamīMadhyāhna 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles17:05 → 15:1112:2848 min12:280 min21 Apr
Chicago19:05 → 17:1112:2648 min12:250 min21 Apr
Jersey City20:05 → 18:1112:3148 min12:310 min21 Apr
Port of Spain20:05 → 18:1111:4148 min11:410 min21 Apr
London01:05 → 23:1112:3648 min12:360 min21 Apr
Durban02:05 → 00:1111:3048 min11:300 min21 Apr
Dubai04:05 → 02:1111:5448 min11:530 min21 Apr
Delhi05:35 → 03:4111:5648 min11:560 min21 Apr
Kolkata05:35 → 03:4111:1148 min11:110 min21 Apr
Singapore08:05 → 06:1112:3948 min12:390 min21 Apr
Sydney10:05 → 08:1111:3048 min11:300 min21 Apr
Suva12:05 → 10:1111:4124 min11:410 min21 Apr
Profile · tradition
pac-rp@2026.1 · smarta
Rule
rama-navami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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