Ruling · Dyūta Pratipad · 2028

Wednesday 18 October

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 85 minutes.

Decide it for

23°11′ N 75°47′ E · Asia/Kolkata · GeoNames 1253914

The two forenoons

One ghaṭī is 24 minutes. Pūrvāhṇa is first 5 of 15 day muhūrtas.

Forenoon of Wednesday 18 October

Taken. The only forenoon Pratipadā reaches.

06:25 sunrisepūrvāhṇa ends 10:16
Pratipadā begins 08:26:49
06:0106:4907:3708:2509:1310:0110:49

110 of 231 minutes covered, the last 110

Forenoon of Thursday 19 October

Pratipadā is absent from pūrvāhṇa. Not taken.

06:26 sunrisepūrvāhṇa ends 10:16
06:0206:5007:3808:2609:1410:0210:50

0 of 231 minutes covered

Pratipadā presentPūrvāhṇa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pratipadā runs from 08:27 on Wed 18 Oct to 05:01 on Thu 19 Oct.

    2028-10-18T02:56:49Z → 2028-10-18T23:31:04Z

  2. 02

    Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:25–10:16 on the 18th, 06:26–10:16 on the 19th.

    purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be present during pūrvāhṇa. It covers 110 of 231 minutes on the 18th and 0 of 231 on the 19th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one forenoon qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 5090 s

  5. 05

    Ruling

    Dyūta Pratipad, Ujjain, 2028: Wednesday 18 October.

    confidence: determinate

Say it like this

In Ujjain, Dyūta Pratipad 2028 falls on Wednesday 18 October. Pratipadā runs from 08:27 on Wed 18 Oct to 05:01 on Thu 19 Oct and covers 110 of 231 minutes of pūrvāhṇa that forenoon.

ahargana.org/ujjain/festivals/2028/dyuta-pratipad · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 18 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 18 Oct
compat-drikpanchangComparison profileWed 18 Oct
No institution has a recorded ruling for Ujjain.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/dyuta-pratipad · ruleset 2026.3-draft

Month
Kārtika, amānta
Pakṣa · aṅga
Śukla · Pratipadā
Kāla
Pūrvāhṇa
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 104

“S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePratipadāSunrise 18thCoveredSunrise 19thCoveredRuled
Los Angeles19:57 → 16:3107:01224 min07:020 min18 Oct
Chicago21:57 → 18:3107:07219 min07:090 min18 Oct
Jersey City22:57 → 19:3107:12220 min07:130 min18 Oct
Port of Spain22:57 → 19:3105:55237 min05:560 min18 Oct
London03:57 → 00:3107:31210 min07:320 min18 Oct
Durban04:57 → 01:3105:15258 min05:140 min18 Oct
Dubai06:57 → 03:3106:19192 min06:190 min18 Oct
Delhi08:27 → 05:0106:24105 min06:250 min18 Oct
Kolkata08:27 → 05:0105:3559 min05:350 min18 Oct
Singapore10:57 → 07:3106:470 min06:4744 min19 Oct
Sydney13:57 → 10:3106:100 min06:09261 min19 Oct
Suva14:57 → 11:3105:350 min05:35251 min19 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
dyuta-pratipad@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s