Ruling · Holī · 2097

Thursday 28 March

Determinatein Perth, under the Rashtriya Panchang method. Kept the day after Holikā Dahana, Wed 27 Mar. Clear of every threshold by 614 minutes.

Decide it for

31°57′ S 115°52′ E · Australia/Perth · GeoNames 2063523

The two late afternoons

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

Late afternoon of Wednesday 27 March

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

15:56 sāyāhna beginssunset 18:18
15:3215:5616:2016:4417:0817:3217:5618:2018:44

143 of 143 minutes covered

Late afternoon of Thursday 28 March

Pūrṇimā is absent from sāyāhna. Not taken.

15:55 sāyāhna beginssunset 18:17
15:3115:5516:1916:4317:0717:3117:5518:1918:43

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 05:41 on Wed 27 Mar to 05:30 on Thu 28 Mar.

    2097-03-26T21:41:19Z → 2097-03-27T21:30:22Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 15:56–18:18 on the 27th, 15:55–18:17 on the 28th.

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

  3. 03

    Rule

    Pūrṇimā must be present during sāyāhna. It covers 143 of 143 minutes on the 27th and 0 of 142 on the 28th.

    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 36861 s

  5. 05

    Counted

    Holī is kept the day after Holikā Dahana: Wednesday 27 March is the day taken above.

    follows: holika-dahana + 1 d

  6. 06

    Ruling

    Holī, Perth, 2097: Thursday 28 March.

    confidence: determinate

Say it like this

In Perth, Holī 2097 falls on Thursday 28 March. It is kept the day after Holikā Dahana, which falls on Wednesday 27 March. Pūrṇimā runs from 05:41 on Wed 27 Mar to 05:30 on Thu 28 Mar and covers all of sāyāhna on the 27th.

ahargana.org/perth/festivals/2097/holi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 28 Mar
Ahargaṇa, classicalDisc centre, no refractionThu 28 Mar
compat-drikpanchangComparison profileThu 28 Mar
No institution has a recorded ruling for Perth.

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 26thCoveredSāyāhna 27thCoveredRuled
Los Angeles14:41 → 14:3016:42148 min16:420 min27 Mar
Chicago16:41 → 16:3016:41149 min16:420 min27 Mar
Jersey City17:41 → 17:3016:4694 min16:4743 min27 Mar
Port of Spain17:41 → 17:3015:5136 min15:51100 min28 Mar
London21:41 → 21:3015:540 min15:55152 min28 Mar
Durban23:41 → 23:3015:360 min15:35143 min28 Mar
Dubai01:41 → 01:3016:060 min16:06148 min28 Mar
Delhi03:11 → 03:0016:090 min16:09148 min28 Mar
Kolkata03:11 → 03:0015:230 min15:23147 min28 Mar
Singapore05:41 → 05:3016:480 min16:48145 min28 Mar
Sydney08:41 → 08:3016:350 min16:34142 min28 Mar
Suva09:41 → 09:3015:480 min15:47144 min28 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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