Ruling · Holī · 2055

Saturday 13 March

Boundaryin Chattogram, under the Rashtriya Panchang method. Kept the day after Holikā Dahana, Fri 12 Mar. Pūrṇimā reaches sāyāhna on neither day and the rule does not say what then. Say “contested”.

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 12 March

Taken for Holikā Dahana. Pūrṇimā reaches neither late afternoon; this is the day it falls on. Holī is the day after.

15:37 sāyāhna beginssunset 18:01
15:1315:3716:0116:2516:4917:1317:3718:0118:25

0 of 143 minutes covered

Late afternoon of Saturday 13 March

Pūrṇimā is absent from sāyāhna. Not taken.

15:38 sāyāhna beginssunset 18:01
15:1415:3816:0216:2616:5017:1417:3818:0218:26

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 18:46 on Fri 12 Mar to 14:57 on Sat 13 Mar.

    2055-03-12T12:46:09Z → 2055-03-13T08:57:25Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 15:37–18:01 on the 12th, 15:38–18:01 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 0 of 143 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

    Neither late afternoon qualifies. The day the tithi falls on is taken.

    priority: unstated → tithi-day · margin 2406 s

  5. 05

    Counted

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

    follows: holika-dahana + 1 d

  6. 06

    Ruling

    Holī, Chattogram, 2055: Saturday 13 March.

    confidence: boundary (absent-unstated)

Say it like this

In Chattogram, Holī 2055 falls on Saturday 13 March. It is kept the day after Holikā Dahana, which falls on Friday 12 March. Pūrṇimā runs from 18:46 on Fri 12 Mar to 14:57 on Sat 13 Mar, and reaches sāyāhna on neither day.

ahargana.org/chattogram/festivals/2055/holi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 13 Mar
Ahargaṇa, classicalDisc centre, no refractionSat 13 Mar
compat-drikpanchangComparison profileSat 13 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 12thCoveredSāyāhna 13thCoveredRuled
Los Angeles04:46 → 00:5715:36142 min15:370 min13 Mar
Chicago06:46 → 02:5715:32141 min15:330 min13 Mar
Jersey City07:46 → 03:5715:38141 min15:390 min13 Mar
Port of Spain08:46 → 04:5715:52144 min15:520 min13 Mar
London12:46 → 08:5715:40140 min15:410 min13 Mar
Durban14:46 → 10:5715:48148 min15:470 min13 Mar
Dubai16:46 → 12:5716:03100 min16:030 min13 Mar
Delhi18:16 → 14:2716:0511 min16:050 min13 Mar
Kolkata18:16 → 14:2715:210 min15:210 min13 Mar
Singapore20:46 → 16:5716:520 min16:526 min14 Mar
Sydney23:46 → 19:5716:480 min16:48149 min14 Mar
Suva00:46 → 20:5715:570 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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