Ruling · Holī · 1911

Wednesday 15 March

Determinatein Perth, under the Rashtriya Panchang method. Kept the day after Holikā Dahana, Tue 14 Mar. Clear of every threshold by 461 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 Tuesday 14 March

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

16:09 sāyāhna beginssunset 18:37
15:4516:0916:3316:5717:2117:4518:0918:3318:57

148 of 148 minutes covered

Late afternoon of Wednesday 15 March

Pūrṇimā is absent from sāyāhna. Not taken.

16:08 sāyāhna beginssunset 18:36
15:4416:0816:3216:5617:2017:4418:0818:3218:56

0 of 148 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 08:27 on Tue 14 Mar to 07:58 on Wed 15 Mar.

    1911-03-14T00:27:19Z → 1911-03-14T23:58:04Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:09–18:37 on the 14th, 16:08–18:36 on the 15th.

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

  3. 03

    Rule

    Pūrṇimā must be present during sāyāhna. It covers 148 of 148 minutes on the 14th and 0 of 148 on the 15th.

    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 27679 s

  5. 05

    Counted

    Holī is kept the day after Holikā Dahana: Tuesday 14 March is the day taken above.

    follows: holika-dahana + 1 d

  6. 06

    Ruling

    Holī, Perth, 1911: Wednesday 15 March.

    confidence: determinate

Say it like this

In Perth, Holī 1911 falls on Wednesday 15 March. It is kept the day after Holikā Dahana, which falls on Tuesday 14 March. Pūrṇimā runs from 08:27 on Tue 14 Mar to 07:58 on Wed 15 Mar and covers all of sāyāhna on the 14th.

ahargana.org/perth/festivals/1911/holi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 15 Mar
Ahargaṇa, classicalDisc centre, no refractionWed 15 Mar
compat-drikpanchangComparison profileWed 15 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 14thCoveredSāyāhna 15thCoveredRuled
Los Angeles16:27 → 15:5815:3722 min15:370 min14 Mar
Chicago18:27 → 17:5815:33142 min15:340 min15 Mar
Jersey City19:27 → 18:5815:39142 min15:390 min15 Mar
Port of Spain20:27 → 19:5815:52144 min15:520 min15 Mar
London00:27 → 23:5815:41140 min15:420 min15 Mar
Durban02:27 → 01:5815:47148 min15:470 min15 Mar
Dubai04:08 → 03:3915:44143 min15:440 min15 Mar
Delhi05:57 → 05:2816:05143 min16:050 min15 Mar
Kolkata05:57 → 05:2815:21143 min15:220 min15 Mar
Singapore07:27 → 06:5815:52145 min15:520 min15 Mar
Sydney10:27 → 09:5815:48149 min15:470 min15 Mar
Suva12:22 → 11:5315:51147 min15:510 min15 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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