Ruling · Anaṅga Trayodaśī · 2005

Friday 22 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 367 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 21 April

Trayodaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

0 of 48 minutes covered

Midday of Friday 22 April

Taken. The only midday Trayodaśī reaches.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

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 18:48 on Thu 21 Apr to 19:11 on Fri 22 Apr.

    2005-04-21T10:48:30Z → 2005-04-22T11:11:20Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 21st, 11:53–12:41 on the 22nd.

    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 21st and 48 of 48 on the 22nd.

    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 22036 s

  5. 05

    Ruling

    Anaṅga Trayodaśī, Baoding, 2005: Friday 22 April.

    confidence: determinate

Say it like this

In Baoding, Anaṅga Trayodaśī 2005 falls on Friday 22 April. Trayodaśī runs from 18:48 on Thu 21 Apr to 19:11 on Fri 22 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2005/ananga-trayodashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 22 Apr
Ahargaṇa, classicalDisc centre, no refractionFri 22 Apr
compat-drikpanchangComparison profileFri 22 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles03:48 → 04:1112:2848 min12:280 min21 Apr
Chicago05:48 → 06:1112:2648 min12:250 min21 Apr
Jersey City06:48 → 07:1112:3148 min12:310 min21 Apr
Port of Spain06:48 → 07:1111:4148 min11:410 min21 Apr
London11:48 → 12:1112:3648 min12:360 min21 Apr
Durban12:48 → 13:1111:300 min11:3048 min22 Apr
Dubai14:48 → 15:1111:540 min11:5348 min22 Apr
Delhi16:18 → 16:4111:560 min11:5648 min22 Apr
Kolkata16:18 → 16:4111:110 min11:1148 min22 Apr
Singapore18:48 → 19:1112:390 min12:3948 min22 Apr
Sydney20:48 → 21:1111:300 min11:3048 min22 Apr
Suva22:48 → 23:1111:410 min11:4148 min22 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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