Ruling · Holī · 2099

Saturday 7 March

Determinatein Tehran, under the Rashtriya Panchang method. Kept the day after Holikā Dahana, Fri 6 Mar. Clear of every threshold by 508 minutes.

Decide it for

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

The two late afternoons

One ghaṭī is 24 minutes. Sāyāhna is last 3 of 15 day muhūrtas.

Late afternoon of Thursday 5 March

Pūrṇimā is absent from sāyāhna. Not taken.

15:44 sāyāhna beginssunset 18:03
15:2015:4416:0816:3216:5617:2017:4418:0818:32

0 of 139 minutes covered

Late afternoon of Friday 6 March

Taken for Holikā Dahana. The only late afternoon Pūrṇimā reaches. Holī is the day after.

15:45 sāyāhna beginssunset 18:04
15:2115:4516:0916:3316:5717:2117:4518:0918:33

139 of 139 minutes covered

Pūrṇimā presentSāyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 06:20 on Fri 6 Mar to 02:32 on Sat 7 Mar.

    2099-03-06T02:49:34Z → 2099-03-06T23:01:42Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 15:44–18:03 on the 5th, 15:45–18:04 on the 6th.

    sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pūrṇimā must be present during sāyāhna. It covers 0 of 139 minutes on the 5th and 139 of 139 on the 6th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

    Only one late afternoon qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 30459 s

  5. 05

    Counted

    Holī is kept the day after Holikā Dahana: Friday 6 March is the day taken above.

    follows: holika-dahana + 1 d

  6. 06

    Ruling

    Holī, Tehran, 2099: Saturday 7 March.

    confidence: determinate

Say it like this

In Tehran, Holī 2099 falls on Saturday 7 March. It is kept the day after Holikā Dahana, which falls on Friday 6 March. Pūrṇimā runs from 06:20 on Fri 6 Mar to 02:32 on Sat 7 Mar and covers all of sāyāhna on the 6th.

ahargana.org/tehran/festivals/2099/holi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 7 Mar
Ahargaṇa, classicalDisc centre, no refractionSat 7 Mar
compat-drikpanchangComparison profileSat 7 Mar
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/holi · ruleset 2026.3-draft

Month
Phālguna, amānta
Pakṣa · aṅga
Śukla · Pūrṇimā
Kāla
Sāyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Kept
The day after Holikā Dahana

“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.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePūrṇimāSāyāhna 6thCoveredSāyāhna 7thCoveredRuled
Los Angeles18:50 → 15:0215:340 min15:350 min6 Mar
Chicago20:50 → 17:0215:2992 min15:300 min7 Mar
Jersey City21:50 → 18:0215:35138 min15:360 min7 Mar
Port of Spain22:50 → 19:0215:53144 min15:530 min7 Mar
London02:50 → 23:0215:35135 min15:360 min7 Mar
Durban04:50 → 01:0215:53150 min15:520 min7 Mar
Dubai06:50 → 03:0216:02141 min16:020 min7 Mar
Delhi08:20 → 04:3216:04141 min16:040 min7 Mar
Kolkata08:20 → 04:3215:21142 min15:210 min7 Mar
Singapore10:50 → 07:0216:54145 min16:530 min7 Mar
Sydney13:50 → 10:0216:54152 min16:530 min7 Mar
Suva14:50 → 11:0216:00148 min16:000 min7 Mar
Profile · tradition
pac-rp@2026.1 · smarta
Rule
holi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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