Ruling · Viṣṇudamanaka Caturdaśī · 2026

Tuesday 31 March

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 300 minutes.

Decide it for

UjjainDelhiKolkataSingaporeSydneyJersey City

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

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Tuesday 31 March

Taken. The only midday Caturdaśī reaches.

madhyāhna begins 12:07  12:55 madhyāhna ends
11:1911:4312:0712:3112:5513:1913:43

48 of 48 minutes covered

Midday of Wednesday 1 April

Caturdaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:07  12:55 madhyāhna ends
11:1911:4312:0712:3112:5513:1913:43

0 of 48 minutes covered

Caturdaśī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Caturdaśī runs from 06:56 on Tue 31 Mar to 07:07 on Wed 1 Apr.

    2026-03-31T01:26:27Z → 2026-04-01T01:36:44Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 31st, 12:07–12:55 on the 1st.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Caturdaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 31st and 0 of 48 on the 1st.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

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

    priority: paraviddha → only-day · margin 18014 s

  5. 05

    Ruling

    Viṣṇudamanaka Caturdaśī, Ujjain, 2026: Tuesday 31 March.

    confidence: determinate

Say it like this

In Ujjain, Viṣṇudamanaka Caturdaśī 2026 falls on Tuesday 31 March. Caturdaśī runs from 06:56 on Tue 31 Mar to 07:07 on Wed 1 Apr and covers all of madhyāhna that midday.

ahargana.org/ujjain/festivals/2026/vishnu-damanaka-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 31 Mar
Ahargaṇa, classicalDisc centre, no refractionTue 31 Mar
compat-drikpanchangComparison profileTue 31 Mar
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/vishnu-damanaka-chaturdashi · ruleset 2026.3-draft

Month
Caitra, amānta
Pakṣa · aṅga
Śukla · Caturdaśī
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 102

“S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceCaturdaśīMadhyāhna 31stCoveredMadhyāhna 1stCoveredRuled
Los Angeles18:26 → 18:3712:3348 min12:330 min31 Mar
Chicago20:26 → 20:3712:3148 min12:310 min31 Mar
Jersey City21:26 → 21:3712:3748 min12:360 min31 Mar
Port of Spain21:26 → 21:3711:4648 min11:460 min31 Mar
London02:26 → 02:3712:4148 min12:410 min31 Mar
Durban03:26 → 03:3711:3648 min11:360 min31 Mar
Dubai05:26 → 05:3711:5948 min11:590 min31 Mar
Delhi06:56 → 07:0712:0148 min12:010 min31 Mar
Kolkata06:56 → 07:0711:1748 min11:170 min31 Mar
Singapore09:26 → 09:3712:4548 min12:450 min31 Mar
Sydney12:26 → 12:3712:3548 min12:352 min1 Apr
Suva13:26 → 13:3711:460 min11:4648 min1 Apr
Profile · tradition
pac-rp@2026.1 · smarta
Rule
vishnu-damanaka-chaturdashi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s