Ruling · Anaṅga Trayodaśī · 1964

Friday 24 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 577 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 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

Midday of Friday 24 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 22:18 on Thu 23 Apr to 23:04 on Fri 24 Apr.

    1964-04-23T14:17:56Z → 1964-04-24T15:04:14Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 23rd, 11:53–12:41 on the 24th.

    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 23rd and 48 of 48 on the 24th.

    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 34627 s

  5. 05

    Ruling

    Anaṅga Trayodaśī, Baoding, 1964: Friday 24 April.

    confidence: determinate

Say it like this

In Baoding, Anaṅga Trayodaśī 1964 falls on Friday 24 April. Trayodaśī runs from 22:18 on Thu 23 Apr to 23:04 on Fri 24 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1964/ananga-trayodashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 24 Apr
Ahargaṇa, classicalDisc centre, no refractionFri 24 Apr
compat-drikpanchangComparison profileFri 24 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 23rdCoveredMadhyāhna 24thCoveredRuled
Los Angeles06:18 → 07:0411:2748 min11:270 min23 Apr
Chicago08:18 → 09:0411:2548 min11:250 min23 Apr
Jersey City09:18 → 10:0411:3148 min11:310 min23 Apr
Port of Spain10:18 → 11:0411:4048 min11:400 min23 Apr
London15:18 → 16:0412:350 min12:3548 min24 Apr
Durban16:18 → 17:0411:300 min11:3048 min24 Apr
Dubai18:18 → 19:0411:530 min11:5348 min24 Apr
Delhi19:48 → 20:3411:560 min11:5548 min24 Apr
Kolkata19:48 → 20:3411:110 min11:1148 min24 Apr
Singapore21:48 → 22:3412:090 min12:0948 min24 Apr
Sydney00:18 → 01:0411:290 min11:2948 min24 Apr
Suva02:18 → 03:0411:410 min11:4048 min24 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