Ruling · Anaṅga Trayodaśī · 1933

Saturday 8 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 465 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 Saturday 8 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

Midday of Sunday 9 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

Trayodaśī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Trayodaśī runs from 04:11 on Sat 8 Apr to 02:36 on Sun 9 Apr.

    1933-04-07T20:11:04Z → 1933-04-08T18:36:08Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 8th, 11:56–12:44 on the 9th.

    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 8th and 0 of 48 on the 9th.

    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 27929 s

  5. 05

    Ruling

    Anaṅga Trayodaśī, Baoding, 1933: Saturday 8 April.

    confidence: determinate

Say it like this

In Baoding, Anaṅga Trayodaśī 1933 falls on Saturday 8 April. Trayodaśī runs from 04:11 on Sat 8 Apr to 02:36 on Sun 9 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1933/ananga-trayodashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 8 Apr
Ahargaṇa, classicalDisc centre, no refractionSat 8 Apr
compat-drikpanchangComparison profileSat 8 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 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles12:11 → 10:3611:318 min11:310 min7 Apr
Chicago14:11 → 12:3611:290 min11:2948 min8 Apr
Jersey City15:11 → 13:3611:350 min11:3548 min8 Apr
Port of Spain16:11 → 14:3611:440 min11:4448 min8 Apr
London20:11 → 18:3611:390 min11:3948 min8 Apr
Durban22:11 → 20:3611:340 min11:3448 min8 Apr
Dubai00:11 → 22:3611:570 min11:5748 min8 Apr
Delhi01:41 → 00:0612:000 min11:5948 min8 Apr
Kolkata01:41 → 00:0611:150 min11:1548 min8 Apr
Singapore03:31 → 01:5612:030 min12:0348 min8 Apr
Sydney06:11 → 04:3611:330 min11:3348 min8 Apr
Suva08:11 → 06:3611:450 min11:4448 min8 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