November 2001 · each Moon as it stands at sunriseĀśvina Śukla to Kārtika ŚuklaThe month ›

Ruling · 2001 · Riyadh

Dyūta Pratipad

Friday 16 November2001 · Riyadh, Riyadh Region, Saudi Arabia

Boundarymargin 8 min

In Riyadh, under the Rashtriya Panchang method. Both forenoons qualify and the rule does not say which to take. Say “contested”.

Decide it forRiyadhDelhiKolkataSingaporeSydneyJersey City24°41′ N 46°43′ E · Asia/Riyadh · GeoNames 108410

The two forenoons पूर्वाह्ण

One ghaṭī is 24 minutes

Pūrvāhṇa is first 5 of 15 day muhūrtas.

Forenoon of Thursday 15 November

Qualifies with 8 of 219 minutes. Not taken.

06:09 sunrisepūrvāhṇa ends 09:48
Pratipadā begins 09:39:58
05:4506:3307:2108:0908:5709:45

8 of 219 minutes covered, the last 8

Forenoon of Friday 16 November

Taken. Both forenoons qualify; the rule is silent, and this one is covered longer.

06:10 sunrisepūrvāhṇa ends 09:49
Pratipadā ends 08:11:43
05:4606:3407:2208:1008:5809:46

122 of 218 minutes covered, the first 122

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

How it was decided निर्णय

  1. Step 1, Aṅga

    Pratipadā runs from 09:40 on Thu 15 Nov to 08:12 on Fri 16 Nov.

    2001-11-15T06:39:59Z → 2001-11-16T05:11:44Z
  2. Step 2, Kāla

    Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:09–09:48 on the 15th, 06:10–09:49 on the 16th.

    purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′
  3. Step 3, Rule

    Pratipadā must be present during pūrvāhṇa. It covers 8 of 219 minutes on the 15th and 122 of 218 on the 16th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
  4. Step 4, Tie-break

    Both forenoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

    priority: unstated → greater-coverage · margin 492 s
  5. Step 5, Ruling

    Dyūta Pratipad, Riyadh, 2001: Friday 16 November.

    confidence: boundary (tie-break-unstated)

Say it like this

In Riyadh, Dyūta Pratipad 2001 falls on Friday 16 November. Pratipadā runs from 09:40 on Thu 15 Nov to 08:12 on Fri 16 Nov and covers 122 of 218 minutes of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 8 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

ahargana.org/riyadh/festivals/2001/dyuta-pratipadpac-rp@2026.1

Who says what

never edited to agree

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 16 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 16 Nov
compat-drikpanchangComparison profileFri 16 Nov
No institution has a recorded ruling for Riyadh.

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 clocks

PlacePratipadāSunrise 15thCoveredSunrise 16thCoveredRuled
Los Angeles22:40 → 21:1206:26208 min06:270 min15 Nov
Chicago00:40 → 23:1206:41196 min06:420 min15 Nov
Jersey City01:40 → 00:1206:44198 min06:450 min15 Nov
Port of Spain02:40 → 01:1206:02233 min06:020 min15 Nov
London06:40 → 05:1207:19177 min07:210 min15 Nov
Durban08:40 → 07:1204:5245 min04:52140 min16 Nov
Dubai10:40 → 09:1206:360 min06:36155 min16 Nov
Delhi12:10 → 10:4206:440 min06:45214 min16 Nov
Kolkata12:10 → 10:4205:490 min05:50221 min16 Nov
Singapore14:40 → 13:1206:480 min06:48241 min16 Nov
Sydney17:40 → 16:1205:440 min05:43278 min16 Nov
Suva18:40 → 17:1205:220 min05:22259 min16 Nov
This ruling as JSON · ICS
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