Late afternoon of Thursday 16 March
Qualifies with 55 of 144 minutes. Not taken.
15:49 sāyāhna beginssunset 18:13
Pūrṇimā begins 17:17:51
15:2515:4916:1316:3717:0117:2517:4918:1318:37
55 of 144 minutes covered, the last 55
Ruling · Holī · 2079
Boundaryin Tehran, under the Rashtriya Panchang method. Kept the day after Holikā Dahana, Fri 17 Mar. Both late afternoons qualify and the rule does not say which to take. Say “contested”.
One ghaṭī is 24 minutes. Sāyāhna is last 3 of 15 day muhūrtas.
Late afternoon of Thursday 16 March
Qualifies with 55 of 144 minutes. Not taken.
55 of 144 minutes covered, the last 55
Late afternoon of Friday 17 March
Taken for Holikā Dahana. Both late afternoons qualify; the rule is silent, and this one is covered longer. Holī is the day after.
88 of 144 minutes covered, the first 88
Aṅga
Pūrṇimā runs from 17:18 on Thu 16 Mar to 17:17 on Fri 17 Mar.
2079-03-16T13:47:51Z → 2079-03-17T13:46:54Z
Kāla
Sāyāhna is last 3 of 15 day muhūrtas: 15:49–18:13 on the 16th, 15:49–18:13 on the 17th.
sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Pūrṇimā must be present during sāyāhna. It covers 55 of 144 minutes on the 16th and 88 of 144 on the 17th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105
Tie-break
Both late afternoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.
priority: unstated → greater-coverage · margin 3279 s
Counted
Holī is kept the day after Holikā Dahana: Friday 17 March is the day taken above.
follows: holika-dahana + 1 d
Ruling
Holī, Tehran, 2079: Saturday 18 March.
confidence: boundary (tie-break-unstated)
In Tehran, Holī 2079 falls on Saturday 18 March. It is kept the day after Holikā Dahana, which falls on Friday 17 March. Pūrṇimā runs from 17:18 on Thu 16 Mar to 17:17 on Fri 17 Mar and covers 88 of 144 minutes of sāyāhna on the 17th. It also reaches the previous late afternoon for 55 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Sat 18 Mar |
| Ahargaṇa, classical | Disc centre, no refraction | Sat 18 Mar |
| compat-drikpanchang | Comparison profile | Sat 18 Mar |
| No institution has a recorded ruling for Tehran. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/holi · ruleset 2026.3-draft
“S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.
Twelve places, west to east. Local clock times.
| Place | Pūrṇimā | Sāyāhna 16th | Covered | Sāyāhna 17th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 06:48 → 06:47 | 16:38 | 144 min | 16:38 | 0 min | 17 Mar |
| Chicago | 08:48 → 08:47 | 16:35 | 144 min | 16:36 | 0 min | 17 Mar |
| Jersey City | 09:48 → 09:47 | 16:41 | 144 min | 16:41 | 0 min | 17 Mar |
| Port of Spain | 09:48 → 09:47 | 15:52 | 145 min | 15:52 | 0 min | 17 Mar |
| London | 13:48 → 13:47 | 15:44 | 143 min | 15:45 | 0 min | 17 Mar |
| Durban | 15:48 → 15:47 | 15:45 | 144 min | 15:44 | 3 min | 17 Mar |
| Dubai | 17:48 → 17:47 | 16:04 | 40 min | 16:04 | 103 min | 18 Mar |
| Delhi | 19:18 → 19:17 | 16:06 | 0 min | 16:06 | 144 min | 18 Mar |
| Kolkata | 19:18 → 19:17 | 15:22 | 0 min | 15:22 | 144 min | 18 Mar |
| Singapore | 21:48 → 21:47 | 16:51 | 0 min | 16:51 | 145 min | 18 Mar |
| Sydney | 00:48 → 00:47 | 16:45 | 0 min | 16:44 | 147 min | 18 Mar |
| Suva | 01:48 → 01:47 | 15:54 | 0 min | 15:54 | 146 min | 18 Mar |