Ruling · Holī · 2066

Thursday 11 March

Determinatein Phoenix, under the Rashtriya Panchang method. Kept the day after Holikā Dahana, Wed 10 Mar. Clear of every threshold by 23 minutes.

Decide it for

33°27′ N 112°04′ W · America/Phoenix · GeoNames 5308655

The two late afternoons

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

Late afternoon of Wednesday 10 March

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

16:11 sāyāhna beginssunset 18:33
Pūrṇimā begins 16:46:39
15:4716:1116:3516:5917:2317:4718:1118:3518:59

106 of 142 minutes covered, the last 106

Late afternoon of Thursday 11 March

Pūrṇimā is absent from sāyāhna. Not taken.

16:11 sāyāhna beginssunset 18:33
Pūrṇimā ends 15:48:36
15:4716:1116:3516:5917:2317:4718:1118:3518:59

0 of 142 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 16:47 on Wed 10 Mar to 15:49 on Thu 11 Mar.

    2066-03-10T23:46:39Z → 2066-03-11T22:48:36Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:11–18:33 on the 10th, 16:11–18:33 on the 11th.

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

  3. 03

    Rule

    Pūrṇimā must be present during sāyāhna. It covers 106 of 142 minutes on the 10th and 0 of 142 on the 11th.

    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 1365 s

  5. 05

    Counted

    Holī is kept the day after Holikā Dahana: Wednesday 10 March is the day taken above.

    follows: holika-dahana + 1 d

  6. 06

    Ruling

    Holī, Phoenix, 2066: Thursday 11 March.

    confidence: determinate

Say it like this

In Phoenix, Holī 2066 falls on Thursday 11 March. It is kept the day after Holikā Dahana, which falls on Wednesday 10 March. Pūrṇimā runs from 16:47 on Wed 10 Mar to 15:49 on Thu 11 Mar and covers 106 of 142 minutes of sāyāhna on the 10th.

ahargana.org/phoenix/festivals/2066/holi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 11 Mar
Ahargaṇa, classicalDisc centre, no refractionThu 11 Mar
compat-drikpanchangComparison profileThu 11 Mar
No institution has a recorded ruling for Phoenix.

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 10thCoveredSāyāhna 11thCoveredRuled
Los Angeles15:47 → 14:4915:36130 min15:360 min11 Mar
Chicago17:47 → 16:4915:315 min15:3277 min12 Mar
Jersey City18:47 → 17:4915:370 min15:38131 min12 Mar
Port of Spain19:47 → 18:4915:530 min15:52144 min12 Mar
London23:47 → 22:4915:390 min15:39139 min12 Mar
Durban01:47 → 00:4915:490 min15:49149 min12 Mar
Dubai03:47 → 02:4916:030 min16:03143 min12 Mar
Delhi05:17 → 04:1916:050 min16:05142 min12 Mar
Kolkata05:17 → 04:1915:210 min15:21143 min12 Mar
Singapore07:47 → 06:4916:530 min16:52145 min12 Mar
Sydney10:47 → 09:4916:500 min16:49149 min12 Mar
Suva11:47 → 10:4915:580 min15:57147 min12 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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