Midday of Tuesday 20 April
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
madhyāhna begins 12:03 12:51 madhyāhna ends
Navamī begins 12:13:50
11:1511:3912:0312:2712:5113:1513:39
38 of 48 minutes covered, the last 38
Ruling · Rāma Navamī · 2021
Boundaryin Phoenix, under the Rashtriya Panchang method. Both middays qualify and the rule does not say which to take. Say “contested”.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Tuesday 20 April
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
38 of 48 minutes covered, the last 38
Midday of Wednesday 21 April
Qualifies with 2 of 48 minutes. Not taken.
2 of 48 minutes covered, the first 2
Aṅga
Navamī runs from 12:14 on Tue 20 Apr to 12:06 on Wed 21 Apr.
2021-04-20T19:13:50Z → 2021-04-21T19:05:32Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 20th, 12:03–12:51 on the 21st.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Navamī must be present during madhyāhna. It covers 38 of 48 minutes on the 20th and 2 of 48 on the 21st.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102
Tie-break
Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.
priority: unstated → greater-coverage · margin 142 s < 300 s
Ruling
Rāma Navamī, Phoenix, 2021: Tuesday 20 April.
confidence: boundary (margin, tie-break-unstated)
In Phoenix, Rāma Navamī 2021 falls on Tuesday 20 April. Navamī runs from 12:14 on Tue 20 Apr to 12:06 on Wed 21 Apr and covers 38 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 2 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 2 min 22 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Tue 20 Apr |
| Ahargaṇa, classical | Disc centre, no refraction | Tue 20 Apr |
| compat-drikpanchang | Comparison profile | Tue 20 Apr |
| No institution has a recorded ruling for Phoenix. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/rama-navami · ruleset 2026.3-draft
“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.
Twelve places, west to east. Local clock times.
| Place | Navamī | Madhyāhna 20th | Covered | Madhyāhna 21st | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 12:14 → 12:06 | 12:28 | 48 min | 12:28 | 0 min | 20 Apr |
| Chicago | 14:14 → 14:06 | 12:26 | 0 min | 12:26 | 48 min | 21 Apr |
| Jersey City | 15:14 → 15:06 | 12:31 | 0 min | 12:31 | 48 min | 21 Apr |
| Port of Spain | 15:14 → 15:06 | 11:41 | 0 min | 11:41 | 48 min | 21 Apr |
| London | 20:14 → 20:06 | 12:36 | 0 min | 12:36 | 48 min | 21 Apr |
| Durban | 21:14 → 21:06 | 11:31 | 0 min | 11:30 | 48 min | 21 Apr |
| Dubai | 23:14 → 23:06 | 11:54 | 0 min | 11:54 | 48 min | 21 Apr |
| Delhi | 00:44 → 00:36 | 11:56 | 0 min | 11:56 | 48 min | 21 Apr |
| Kolkata | 00:44 → 00:36 | 11:12 | 0 min | 11:11 | 48 min | 21 Apr |
| Singapore | 03:14 → 03:06 | 12:40 | 0 min | 12:39 | 48 min | 21 Apr |
| Sydney | 05:14 → 05:06 | 11:30 | 0 min | 11:30 | 48 min | 21 Apr |
| Suva | 07:14 → 07:06 | 11:41 | 0 min | 11:41 | 48 min | 21 Apr |