Ruling · Anaṅga Trayodaśī · 2027

Sunday 18 April

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 260 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 Sunday 18 April

Taken. The only midday Trayodaśī reaches.

madhyāhna begins 12:03  12:51 madhyāhna ends
11:1511:3912:0312:2712:5113:1513:39

48 of 48 minutes covered

Midday of Monday 19 April

Trayodaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:02  12:50 madhyāhna ends
11:1411:3812:0212:2612:5013:1413:38

0 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Trayodaśī runs from 07:43 on Sun 18 Apr to 06:09 on Mon 19 Apr.

    2027-04-18T02:12:39Z → 2027-04-19T00:38:53Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 18th, 12:02–12:50 on the 19th.

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

  3. 03

    Rule

    Trayodaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.

    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: purvaviddha → only-day · margin 15591 s

  5. 05

    Ruling

    Anaṅga Trayodaśī, Ujjain, 2027: Sunday 18 April.

    confidence: determinate

Say it like this

In Ujjain, Anaṅga Trayodaśī 2027 falls on Sunday 18 April. Trayodaśī runs from 07:43 on Sun 18 Apr to 06:09 on Mon 19 Apr and covers all of madhyāhna that midday.

ahargana.org/ujjain/festivals/2027/ananga-trayodashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 18 Apr
Ahargaṇa, classicalDisc centre, no refractionSun 18 Apr
compat-drikpanchangComparison profileSun 18 Apr
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/ananga-trayodashi · ruleset 2026.3-draft

Month
Caitra, amānta
Pakṣa · aṅga
Śukla · Trayodaśī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 102

“S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceTrayodaśīMadhyāhna 18thCoveredMadhyāhna 19thCoveredRuled
Los Angeles19:13 → 17:3912:2948 min12:280 min18 Apr
Chicago21:13 → 19:3912:2648 min12:260 min18 Apr
Jersey City22:13 → 20:3912:3248 min12:320 min18 Apr
Port of Spain22:13 → 20:3911:4248 min11:410 min18 Apr
London03:13 → 01:3912:3648 min12:360 min18 Apr
Durban04:13 → 02:3911:3148 min11:310 min18 Apr
Dubai06:13 → 04:3911:5448 min11:540 min18 Apr
Delhi07:43 → 06:0911:5748 min11:570 min18 Apr
Kolkata07:43 → 06:0911:1248 min11:120 min18 Apr
Singapore10:13 → 08:3912:4048 min12:400 min18 Apr
Sydney12:13 → 10:3911:306 min11:300 min18 Apr
Suva14:13 → 12:3911:420 min11:4148 min19 Apr
Profile · tradition
pac-rp@2026.1 · smarta
Rule
ananga-trayodashi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s