Ruling · Rāma Navamī (Rāma Jayantī) · 2025

Saturday 5 April

Determinatein Chicago, under the Rashtriya Panchang method. Clear of every threshold by 213 minutes.

Decide it for

ChicagoDelhiKolkataSingaporeSydneyJersey City

41°51′ N 87°39′ W · America/Chicago · GeoNames 4887398

The two middays

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

Midday of Saturday 5 April

Taken. The only midday Navamī reaches.

madhyāhna begins 12:30  13:18 madhyāhna ends
11:4212:0612:3012:5413:1813:4214:06

48 of 48 minutes covered

Midday of Sunday 6 April

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:29  13:17 madhyāhna ends
11:4112:0512:2912:5313:1713:4114:05

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 08:57 on Sat 5 Apr to 08:54 on Sun 6 Apr.

    2025-04-05T13:56:59Z → 2025-04-06T13:53:35Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 5th, 12:29–13:17 on the 6th.

    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 5th and 0 of 48 on the 6th.

    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 12752 s

  5. 05

    Ruling

    Rāma Navamī, Chicago, 2025: Saturday 5 April.

    confidence: determinate

Say it like this

In Chicago, Rāma Navamī 2025 falls on Saturday 5 April. Navamī runs from 08:57 on Sat 5 Apr to 08:54 on Sun 6 Apr and covers all of madhyāhna that midday.

ahargana.org/chicago/festivals/2025/rama-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 5 Apr
Ahargaṇa, classicalDisc centre, no refractionSat 5 Apr
compat-drikpanchangComparison profileSat 5 Apr
No institution has a recorded ruling for Chicago.

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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles06:57 → 06:5412:3248 min12:310 min5 Apr
Chicago08:57 → 08:5412:3048 min12:290 min5 Apr
Jersey City09:57 → 09:5412:3548 min12:350 min5 Apr
Port of Spain09:57 → 09:5411:4548 min11:440 min5 Apr
London14:57 → 14:5412:400 min12:3948 min6 Apr
Durban15:57 → 15:5411:340 min11:3448 min6 Apr
Dubai17:57 → 17:5411:580 min11:5748 min6 Apr
Delhi19:27 → 19:2412:000 min12:0048 min6 Apr
Kolkata19:27 → 19:2411:150 min11:1548 min6 Apr
Singapore21:57 → 21:5412:430 min12:4348 min6 Apr
Sydney00:57 → 23:5412:340 min11:3348 min6 Apr
Suva01:57 → 01:5411:450 min11:4548 min6 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