Ruling · Anaṅga Trayodaśī · 2049

Thursday 15 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 61 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 Thursday 15 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

Midday of Friday 16 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 10:54 on Thu 15 Apr to 10:53 on Fri 16 Apr.

    2049-04-15T02:54:01Z → 2049-04-16T02:53:00Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 15th, 11:54–12:42 on the 16th.

    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 15th and 0 of 48 on the 16th.

    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 3632 s

  5. 05

    Ruling

    Anaṅga Trayodaśī, Baoding, 2049: Thursday 15 April.

    confidence: determinate

Say it like this

In Baoding, Anaṅga Trayodaśī 2049 falls on Thursday 15 April. Trayodaśī runs from 10:54 on Thu 15 Apr to 10:53 on Fri 16 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2049/ananga-trayodashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 15 Apr
Ahargaṇa, classicalDisc centre, no refractionThu 15 Apr
compat-drikpanchangComparison profileThu 15 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 15thCoveredMadhyāhna 16thCoveredRuled
Los Angeles19:54 → 19:5312:2948 min12:290 min15 Apr
Chicago21:54 → 21:5312:2748 min12:270 min15 Apr
Jersey City22:54 → 22:5312:3348 min12:320 min15 Apr
Port of Spain22:54 → 22:5311:4248 min11:420 min15 Apr
London03:54 → 03:5312:3748 min12:370 min15 Apr
Durban04:54 → 04:5311:3248 min11:310 min15 Apr
Dubai06:54 → 06:5311:5548 min11:550 min15 Apr
Delhi08:24 → 08:2311:5748 min11:570 min15 Apr
Kolkata08:24 → 08:2311:1348 min11:130 min15 Apr
Singapore10:54 → 10:5312:4148 min12:400 min15 Apr
Sydney12:54 → 12:5311:310 min11:3148 min16 Apr
Suva14:54 → 14:5311:420 min11:4248 min16 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

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