Ruling · Holī · 2038

Sunday 21 March

Determinatein Chattogram, under the Rashtriya Panchang method. Kept the day after Holikā Dahana, Sat 20 Mar. Clear of every threshold by 225 minutes.

Decide it for

ChattogramDelhiKolkataSingaporeSydneyJersey City

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 Saturday 20 March

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

15:38 sāyāhna beginssunset 18:03
15:1415:3816:0216:2616:5017:1417:3818:0218:26

145 of 145 minutes covered

Late afternoon of Sunday 21 March

Pūrṇimā is absent from sāyāhna. Not taken.

15:38 sāyāhna beginssunset 18:04
15:1415:3816:0216:2616:5017:1417:3818:0218:26

0 of 146 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 11:53 on Sat 20 Mar to 08:10 on Sun 21 Mar.

    2038-03-20T05:53:24Z → 2038-03-21T02:09:38Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 15:38–18:03 on the 20th, 15:38–18:04 on the 21st.

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

  3. 03

    Rule

    Pūrṇimā must be present during sāyāhna. It covers 145 of 145 minutes on the 20th and 0 of 146 on the 21st.

    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 13489 s

  5. 05

    Counted

    Holī is kept the day after Holikā Dahana: Saturday 20 March is the day taken above.

    follows: holika-dahana + 1 d

  6. 06

    Ruling

    Holī, Chattogram, 2038: Sunday 21 March.

    confidence: determinate

Say it like this

In Chattogram, Holī 2038 falls on Sunday 21 March. It is kept the day after Holikā Dahana, which falls on Saturday 20 March. Pūrṇimā runs from 11:53 on Sat 20 Mar to 08:10 on Sun 21 Mar and covers all of sāyāhna on the 20th.

ahargana.org/chattogram/festivals/2038/holi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 21 Mar
Ahargaṇa, classicalDisc centre, no refractionSun 21 Mar
compat-drikpanchangComparison profileSun 21 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 20thCoveredSāyāhna 21stCoveredRuled
Los Angeles22:53 → 19:1016:39146 min16:390 min21 Mar
Chicago00:53 → 21:1016:37146 min16:380 min21 Mar
Jersey City01:53 → 22:1016:43146 min16:430 min21 Mar
Port of Spain01:53 → 22:1015:51145 min15:510 min21 Mar
London05:53 → 02:1015:47146 min15:480 min21 Mar
Durban07:53 → 04:1015:41145 min15:400 min21 Mar
Dubai09:53 → 06:1016:04145 min16:050 min21 Mar
Delhi11:23 → 07:4016:07145 min16:070 min21 Mar
Kolkata11:23 → 07:4015:22145 min15:220 min21 Mar
Singapore13:53 → 10:1016:50145 min16:500 min21 Mar
Sydney16:53 → 13:1016:41133 min16:400 min21 Mar
Suva17:53 → 14:1015:5224 min15:510 min21 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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