Ruling · Holī · 1913

Sunday 23 March

Determinatein Chattogram, under the Rashtriya Panchang method. Kept the day after Holikā Dahana, Sat 22 Mar. Clear of every threshold by 8 min 10 s.

Decide it for

22°20′ N 91°50′ E · Asia/Dhaka · GeoNames 1205733

The two late afternoons

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

Late afternoon of Friday 21 March

Pūrṇimā is absent from sāyāhna. Not taken.

15:31 sāyāhna beginssunset 17:57
15:0715:3115:5516:1916:4317:0717:3117:5518:19

0 of 145 minutes covered

Late afternoon of Saturday 22 March

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

15:31 sāyāhna beginssunset 17:57
Pūrṇimā ends 17:49:10
15:0715:3115:5516:1916:4317:0717:3117:5518:19

137 of 146 minutes covered, the first 137

Pūrṇimā presentSāyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 21:21 on Fri 21 Mar to 17:49 on Sat 22 Mar.

    1913-03-21T15:27:41Z → 1913-03-22T11:55:51Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 15:31–17:57 on the 21st, 15:31–17:57 on the 22nd.

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

  3. 03

    Rule

    Pūrṇimā must be present during sāyāhna. It covers 0 of 145 minutes on the 21st and 137 of 146 on the 22nd.

    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 490 s

  5. 05

    Counted

    Holī is kept the day after Holikā Dahana: Saturday 22 March is the day taken above.

    follows: holika-dahana + 1 d

  6. 06

    Ruling

    Holī, Chattogram, 1913: Sunday 23 March.

    confidence: determinate

Say it like this

In Chattogram, Holī 1913 falls on Sunday 23 March. It is kept the day after Holikā Dahana, which falls on Saturday 22 March. Pūrṇimā runs from 21:21 on Fri 21 Mar to 17:49 on Sat 22 Mar and covers 137 of 146 minutes of sāyāhna on the 22nd.

ahargana.org/chattogram/festivals/1913/holi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 23 Mar
Ahargaṇa, classicalDisc centre, no refractionSun 23 Mar
compat-drikpanchangComparison profileSun 23 Mar
No institution has a recorded ruling for Chattogram.

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 21stCoveredSāyāhna 22ndCoveredRuled
Los Angeles07:28 → 03:5615:39146 min15:400 min22 Mar
Chicago09:28 → 05:5615:37146 min15:380 min22 Mar
Jersey City10:28 → 06:5615:43146 min15:430 min22 Mar
Port of Spain11:28 → 07:5615:51145 min15:510 min22 Mar
London15:28 → 11:5615:48146 min15:490 min22 Mar
Durban17:28 → 13:5615:4139 min15:400 min22 Mar
Dubai19:09 → 15:3715:460 min15:460 min22 Mar
Delhi20:58 → 17:2616:070 min16:0779 min23 Mar
Kolkata20:58 → 17:2615:220 min15:22124 min23 Mar
Singapore22:28 → 18:5615:500 min15:50145 min23 Mar
Sydney01:28 → 21:5615:410 min15:40145 min23 Mar
Suva03:23 → 23:5115:470 min15:46145 min23 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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