Ruling · Anaṅga Trayodaśī · 2019

Wednesday 17 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 478 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 Wednesday 17 April

Taken. The only midday Trayodaśī reaches.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

48 of 48 minutes covered

Midday of Thursday 18 April

Trayodaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

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 03:56 on Wed 17 Apr to 00:54 on Thu 18 Apr.

    2019-04-16T19:56:08Z → 2019-04-17T16:54:20Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 17th, 11:54–12:42 on the 18th.

    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 17th and 0 of 48 on the 18th.

    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 28685 s

  5. 05

    Ruling

    Anaṅga Trayodaśī, Baoding, 2019: Wednesday 17 April.

    confidence: determinate

Say it like this

In Baoding, Anaṅga Trayodaśī 2019 falls on Wednesday 17 April. Trayodaśī runs from 03:56 on Wed 17 Apr to 00:54 on Thu 18 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2019/ananga-trayodashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 17 Apr
Ahargaṇa, classicalDisc centre, no refractionWed 17 Apr
compat-drikpanchangComparison profileWed 17 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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles12:56 → 09:5412:2921 min12:290 min16 Apr
Chicago14:56 → 11:5412:270 min12:270 min17 Apr
Jersey City15:56 → 12:5412:330 min12:3222 min17 Apr
Port of Spain15:56 → 12:5411:420 min11:4248 min17 Apr
London20:56 → 17:5412:370 min12:3748 min17 Apr
Durban21:56 → 18:5411:320 min11:3148 min17 Apr
Dubai23:56 → 20:5411:550 min11:5548 min17 Apr
Delhi01:26 → 22:2411:570 min11:5748 min17 Apr
Kolkata01:26 → 22:2411:130 min11:1248 min17 Apr
Singapore03:56 → 00:5412:410 min12:4048 min17 Apr
Sydney05:56 → 02:5411:310 min11:3148 min17 Apr
Suva07:56 → 04:5411:420 min11:4248 min17 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