Ruling · Anaṅga Trayodaśī · 2089

Friday 22 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 198 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 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

Midday of Saturday 23 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

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

How it was decided

  1. 01

    Aṅga

    Trayodaśī runs from 08:35 on Fri 22 Apr to 07:10 on Sat 23 Apr.

    2089-04-22T00:35:29Z → 2089-04-22T23:09:33Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 22nd, 11:53–12:41 on the 23rd.

    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 22nd and 0 of 48 on the 23rd.

    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 11865 s

  5. 05

    Ruling

    Anaṅga Trayodaśī, Baoding, 2089: Friday 22 April.

    confidence: determinate

Say it like this

In Baoding, Anaṅga Trayodaśī 2089 falls on Friday 22 April. Trayodaśī runs from 08:35 on Fri 22 Apr to 07:10 on Sat 23 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2089/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 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles17:35 → 16:1012:2848 min12:280 min22 Apr
Chicago19:35 → 18:1012:2648 min12:250 min22 Apr
Jersey City20:35 → 19:1012:3148 min12:310 min22 Apr
Port of Spain20:35 → 19:1011:4148 min11:410 min22 Apr
London01:35 → 00:1012:3648 min12:360 min22 Apr
Durban02:35 → 01:1011:3048 min11:300 min22 Apr
Dubai04:35 → 03:1011:5448 min11:530 min22 Apr
Delhi06:05 → 04:4011:5648 min11:560 min22 Apr
Kolkata06:05 → 04:4011:1148 min11:110 min22 Apr
Singapore08:35 → 07:1012:3948 min12:390 min22 Apr
Sydney10:35 → 09:1011:3048 min11:300 min22 Apr
Suva12:35 → 11:1011:410 min11:410 min23 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