Late afternoon of Thursday 19 March
Qualifies with 54 of 145 minutes. Not taken.
15:50 sāyāhna beginssunset 18:15
Pūrṇimā begins 17:20:38
15:2615:5016:1416:3817:0217:2617:5018:1418:38
54 of 145 minutes covered, the last 54
Ruling · Holī · 1981
Boundaryin Tehran, under the Rashtriya Panchang method. Kept the day after Holikā Dahana, Fri 20 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 19 March
Qualifies with 54 of 145 minutes. Not taken.
54 of 145 minutes covered, the last 54
Late afternoon of Friday 20 March
Taken for Holikā Dahana. Both late afternoons qualify; the rule is silent, and this one is covered longer. Holī is the day after.
145 of 145 minutes covered
Aṅga
Pūrṇimā runs from 17:21 on Thu 19 Mar to 18:52 on Fri 20 Mar.
1981-03-19T13:50:39Z → 1981-03-20T15:22:28Z
Kāla
Sāyāhna is last 3 of 15 day muhūrtas: 15:50–18:15 on the 19th, 15:50–18:16 on the 20th.
sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Pūrṇimā must be present during sāyāhna. It covers 54 of 145 minutes on the 19th and 145 of 145 on the 20th.
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 2216 s
Counted
Holī is kept the day after Holikā Dahana: Friday 20 March is the day taken above.
follows: holika-dahana + 1 d
Ruling
Holī, Tehran, 1981: Saturday 21 March.
confidence: boundary (tie-break-unstated)
In Tehran, Holī 1981 falls on Saturday 21 March. It is kept the day after Holikā Dahana, which falls on Friday 20 March. Pūrṇimā runs from 17:21 on Thu 19 Mar to 18:52 on Fri 20 Mar and covers all of sāyāhna on the 20th. It also reaches the previous late afternoon for 54 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 21 Mar |
| Ahargaṇa, classical | Disc centre, no refraction | Sat 21 Mar |
| compat-drikpanchang | Comparison profile | Sat 21 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 19th | Covered | Sāyāhna 20th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 05:51 → 07:22 | 15:39 | 145 min | 15:39 | 0 min | 20 Mar |
| Chicago | 07:51 → 09:22 | 15:36 | 145 min | 15:37 | 0 min | 20 Mar |
| Jersey City | 08:51 → 10:22 | 15:42 | 145 min | 15:43 | 0 min | 20 Mar |
| Port of Spain | 09:51 → 11:22 | 15:52 | 145 min | 15:51 | 0 min | 20 Mar |
| London | 13:51 → 15:22 | 15:46 | 145 min | 15:47 | 0 min | 20 Mar |
| Durban | 15:51 → 17:22 | 15:42 | 138 min | 15:41 | 101 min | 20 Mar |
| Dubai | 17:51 → 19:22 | 16:04 | 39 min | 16:04 | 145 min | 21 Mar |
| Delhi | 19:21 → 20:52 | 16:07 | 0 min | 16:07 | 145 min | 21 Mar |
| Kolkata | 19:21 → 20:52 | 15:22 | 0 min | 15:22 | 145 min | 21 Mar |
| Singapore | 21:21 → 22:52 | 16:20 | 0 min | 16:20 | 145 min | 21 Mar |
| Sydney | 23:51 → 01:22 | 15:42 | 0 min | 15:41 | 146 min | 21 Mar |
| Suva | 01:51 → 03:22 | 15:53 | 0 min | 15:52 | 145 min | 21 Mar |