Ruling · Holī · 1918

Wednesday 27 March

Boundaryin Algiers, under the Rashtriya Panchang method. Kept the day after Holikā Dahana, Tue 26 Mar. A threshold is only 3 min 44 s away. Say “contested”.

Decide it for

36°44′ N 3°05′ E · Africa/Algiers · GeoNames 2507480

The two late afternoons

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

Late afternoon of Tuesday 26 March

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

16:36 sāyāhna beginssunset 19:04
16:1216:3617:0017:2417:4818:1218:3619:0019:24

148 of 148 minutes covered

Late afternoon of Wednesday 27 March

Pūrṇimā is absent from sāyāhna. Not taken.

16:36 sāyāhna beginssunset 19:05
Pūrṇimā ends 16:32:25
16:1216:3617:0017:2417:4818:1218:3619:0019:24

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 14:06 on Tue 26 Mar to 16:32 on Wed 27 Mar.

    1918-03-26T13:05:57Z → 1918-03-27T15:32:25Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:36–19:04 on the 26th, 16:36–19:05 on the 27th.

    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 26th and 0 of 148 on the 27th.

    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 224 s < 300 s

  5. 05

    Counted

    Holī is kept the day after Holikā Dahana: Tuesday 26 March is the day taken above.

    follows: holika-dahana + 1 d

  6. 06

    Ruling

    Holī, Algiers, 1918: Wednesday 27 March.

    confidence: boundary (margin)

Say it like this

In Algiers, Holī 1918 falls on Wednesday 27 March. It is kept the day after Holikā Dahana, which falls on Tuesday 26 March. Pūrṇimā runs from 14:06 on Tue 26 Mar to 16:32 on Wed 27 Mar and covers all of sāyāhna on the 26th. It is 3 min 44 s from a threshold: treat the date as contested.

ahargana.org/algiers/festivals/1918/holi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 27 Mar
Ahargaṇa, classicalDisc centre, no refractionWed 27 Mar
compat-drikpanchangComparison profileWed 27 Mar
No institution has a recorded ruling for Algiers.

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 Angeles05:06 → 07:3215:41148 min15:410 min27 Mar
Chicago07:06 → 09:3215:40149 min15:400 min27 Mar
Jersey City08:06 → 10:3215:45148 min15:460 min27 Mar
Port of Spain09:06 → 11:3215:51146 min15:510 min27 Mar
London14:06 → 16:3216:52150 min16:530 min27 Mar
Durban15:06 → 17:3215:37144 min15:36116 min27 Mar
Dubai16:47 → 19:1315:4686 min15:46147 min28 Mar
Delhi18:36 → 21:0216:080 min16:08147 min28 Mar
Kolkata18:36 → 21:0215:230 min15:23147 min28 Mar
Singapore20:06 → 22:3215:490 min15:48145 min28 Mar
Sydney23:06 → 01:3215:360 min15:35143 min28 Mar
Suva01:06 → 03:3215:490 min15:48144 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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