Ruling · Holī · 1941

Thursday 13 March

Determinatein Cairo, under the Rashtriya Panchang method. Kept the day after Holikā Dahana, Wed 12 Mar. Clear of every threshold by 70 minutes.

Decide it for

30°04′ N 31°15′ E · Africa/Cairo · GeoNames 360630

The two late afternoons

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

Late afternoon of Wednesday 12 March

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

15:39 sāyāhna beginssunset 18:01
Pūrṇimā begins 16:48:23
15:1515:3916:0316:2716:5117:1517:3918:0318:27

72 of 142 minutes covered, the last 72

Late afternoon of Thursday 13 March

Pūrṇimā is absent from sāyāhna. Not taken.

15:39 sāyāhna beginssunset 18:01
15:1515:3916:0316:2716:5117:1517:3918:0318:27

0 of 143 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 16:48 on Wed 12 Mar to 13:47 on Thu 13 Mar.

    1941-03-12T14:48:24Z → 1941-03-13T11:46:43Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 15:39–18:01 on the 12th, 15:39–18:01 on the 13th.

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

  3. 03

    Rule

    Pūrṇimā must be present during sāyāhna. It covers 72 of 142 minutes on the 12th and 0 of 143 on the 13th.

    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 4189 s

  5. 05

    Counted

    Holī is kept the day after Holikā Dahana: Wednesday 12 March is the day taken above.

    follows: holika-dahana + 1 d

  6. 06

    Ruling

    Holī, Cairo, 1941: Thursday 13 March.

    confidence: determinate

Say it like this

In Cairo, Holī 1941 falls on Thursday 13 March. It is kept the day after Holikā Dahana, which falls on Wednesday 12 March. Pūrṇimā runs from 16:48 on Wed 12 Mar to 13:47 on Thu 13 Mar and covers 72 of 142 minutes of sāyāhna on the 12th.

ahargana.org/cairo/festivals/1941/holi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 13 Mar
Ahargaṇa, classicalDisc centre, no refractionThu 13 Mar
compat-drikpanchangComparison profileThu 13 Mar
No institution has a recorded ruling for Cairo.

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 12thCoveredSāyāhna 13thCoveredRuled
Los Angeles06:48 → 03:4715:36142 min15:360 min13 Mar
Chicago08:48 → 05:4715:32141 min15:330 min13 Mar
Jersey City09:48 → 06:4715:38141 min15:390 min13 Mar
Port of Spain10:48 → 07:4715:52144 min15:520 min13 Mar
London15:48 → 12:4716:40139 min16:410 min13 Mar
Durban16:48 → 13:4715:4889 min15:480 min13 Mar
Dubai18:48 → 15:4716:030 min16:030 min13 Mar
Delhi20:18 → 17:1716:050 min16:0572 min14 Mar
Kolkata20:18 → 17:1715:210 min15:21115 min14 Mar
Singapore22:08 → 19:0716:120 min16:12145 min14 Mar
Sydney00:48 → 21:4715:490 min15:48149 min14 Mar
Suva02:48 → 23:4715:570 min15:56147 min14 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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