Ruling · Anaṅga Trayodaśī · 2071

Sunday 12 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 639 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

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

Midday of Saturday 11 April

Trayodaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:56  12:44 madhyāhna ends
11:0811:3211:5612:2012:4413:0813:32

0 of 48 minutes covered

Midday of Sunday 12 April

Taken. The only midday Trayodaśī reaches.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

48 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 00:39 on Sun 12 Apr to 23:22 on Sun 12 Apr.

    2071-04-11T16:39:04Z → 2071-04-12T15:22:14Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 11th, 11:55–12:43 on the 12th.

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

  3. 03

    Rule

    Trayodaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.

    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 38325 s

  5. 05

    Ruling

    Anaṅga Trayodaśī, Baoding, 2071: Sunday 12 April.

    confidence: determinate

Say it like this

In Baoding, Anaṅga Trayodaśī 2071 falls on Sunday 12 April. Trayodaśī runs from 00:39 on Sun 12 Apr to 23:22 on Sun 12 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2071/ananga-trayodashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 12 Apr
Ahargaṇa, classicalDisc centre, no refractionSun 12 Apr
compat-drikpanchangComparison profileSun 12 Apr
No institution has a recorded ruling for Baoding.

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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles09:39 → 08:2212:3048 min12:300 min11 Apr
Chicago11:39 → 10:2212:2848 min12:280 min11 Apr
Jersey City12:39 → 11:2212:3443 min12:340 min11 Apr
Port of Spain12:39 → 11:2211:430 min11:430 min12 Apr
London17:39 → 16:2212:380 min12:3848 min12 Apr
Durban18:39 → 17:2211:330 min11:3348 min12 Apr
Dubai20:39 → 19:2211:560 min11:5648 min12 Apr
Delhi22:09 → 20:5211:590 min11:5848 min12 Apr
Kolkata22:09 → 20:5211:140 min11:1448 min12 Apr
Singapore00:39 → 23:2212:420 min12:4248 min12 Apr
Sydney02:39 → 01:2211:320 min11:3248 min12 Apr
Suva04:39 → 03:2211:430 min11:4348 min12 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

About Ahargaṇa