Ruling · Anaṅga Trayodaśī · 2006

Tuesday 11 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 332 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 Monday 10 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 Tuesday 11 April

Taken. The only midday Trayodaśī reaches.

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

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 18:16 on Mon 10 Apr to 20:44 on Tue 11 Apr.

    2006-04-10T10:16:18Z → 2006-04-11T12:43:42Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 10th, 11:56–12:44 on the 11th.

    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 10th and 48 of 48 on the 11th.

    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 19944 s

  5. 05

    Ruling

    Anaṅga Trayodaśī, Baoding, 2006: Tuesday 11 April.

    confidence: determinate

Say it like this

In Baoding, Anaṅga Trayodaśī 2006 falls on Tuesday 11 April. Trayodaśī runs from 18:16 on Mon 10 Apr to 20:44 on Tue 11 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2006/ananga-trayodashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 11 Apr
Ahargaṇa, classicalDisc centre, no refractionTue 11 Apr
compat-drikpanchangComparison profileTue 11 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 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles03:16 → 05:4412:3048 min12:300 min10 Apr
Chicago05:16 → 07:4412:2848 min12:280 min10 Apr
Jersey City06:16 → 08:4412:3448 min12:340 min10 Apr
Port of Spain06:16 → 08:4411:4348 min11:430 min10 Apr
London11:16 → 13:4412:3848 min12:3848 min10 Apr
Durban12:16 → 14:4411:335 min11:3348 min10 Apr
Dubai14:16 → 16:4411:560 min11:5648 min11 Apr
Delhi15:46 → 18:1411:590 min11:5848 min11 Apr
Kolkata15:46 → 18:1411:140 min11:1448 min11 Apr
Singapore18:16 → 20:4412:420 min12:4248 min11 Apr
Sydney20:16 → 22:4411:320 min11:3248 min11 Apr
Suva22:16 → 00:4411:440 min11:4348 min11 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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