Ruling · Anaṅga Trayodaśī · 1906

Saturday 7 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 468 minutes.

Decide it for

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 Friday 6 April

Trayodaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

0 of 48 minutes covered

Midday of Saturday 7 April

Taken. The only midday Trayodaśī reaches.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

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 22:56 on Fri 6 Apr to 20:33 on Sat 7 Apr.

    1906-04-06T14:56:12Z → 1906-04-07T12:33:21Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 6th, 11:57–12:45 on the 7th.

    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 6th and 48 of 48 on the 7th.

    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 28105 s

  5. 05

    Ruling

    Anaṅga Trayodaśī, Baoding, 1906: Saturday 7 April.

    confidence: determinate

Say it like this

In Baoding, Anaṅga Trayodaśī 1906 falls on Saturday 7 April. Trayodaśī runs from 22:56 on Fri 6 Apr to 20:33 on Sat 7 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1906/ananga-trayodashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 7 Apr
Ahargaṇa, classicalDisc centre, no refractionSat 7 Apr
compat-drikpanchangComparison profileSat 7 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 6thCoveredMadhyāhna 7thCoveredRuled
Los Angeles06:56 → 04:3311:3248 min11:320 min6 Apr
Chicago08:56 → 06:3311:3048 min11:290 min6 Apr
Jersey City09:56 → 07:3311:3548 min11:350 min6 Apr
Port of Spain10:56 → 08:3311:4548 min11:440 min6 Apr
London14:56 → 12:3311:400 min11:3948 min7 Apr
Durban16:56 → 14:3311:340 min11:3448 min7 Apr
Dubai18:37 → 16:1411:390 min11:3848 min7 Apr
Delhi20:26 → 18:0312:000 min12:0048 min7 Apr
Kolkata20:26 → 18:0311:150 min11:1548 min7 Apr
Singapore21:56 → 19:3311:430 min11:4348 min7 Apr
Sydney00:56 → 22:3311:340 min11:3348 min7 Apr
Suva02:51 → 00:2811:400 min11:4048 min7 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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