Ruling · Anaṅga Trayodaśī · 1963

Saturday 6 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 448 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 Saturday 6 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 7 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

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

How it was decided

  1. 01

    Aṅga

    Trayodaśī runs from 02:33 on Sat 6 Apr to 04:28 on Sun 7 Apr.

    1963-04-05T18:32:33Z → 1963-04-06T20:28:26Z

  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 48 of 48 minutes on the 6th and 0 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 26909 s

  5. 05

    Ruling

    Anaṅga Trayodaśī, Baoding, 1963: Saturday 6 April.

    confidence: determinate

Say it like this

In Baoding, Anaṅga Trayodaśī 1963 falls on Saturday 6 April. Trayodaśī runs from 02:33 on Sat 6 Apr to 04:28 on Sun 7 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1963/ananga-trayodashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 6 Apr
Ahargaṇa, classicalDisc centre, no refractionSat 6 Apr
compat-drikpanchangComparison profileSat 6 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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles10:33 → 12:2811:3248 min11:3248 min5 Apr
Chicago12:33 → 14:2811:300 min11:3048 min6 Apr
Jersey City13:33 → 15:2811:360 min11:3548 min6 Apr
Port of Spain14:33 → 16:2811:450 min11:4548 min6 Apr
London19:33 → 21:2812:400 min12:4048 min6 Apr
Durban20:33 → 22:2811:350 min11:3448 min6 Apr
Dubai22:33 → 00:2811:580 min11:5848 min6 Apr
Delhi00:03 → 01:5812:000 min12:0048 min6 Apr
Kolkata00:03 → 01:5811:160 min11:1548 min6 Apr
Singapore02:03 → 03:5812:140 min12:1348 min6 Apr
Sydney04:33 → 06:2811:340 min11:3448 min6 Apr
Suva06:33 → 08:2811:450 min11:4548 min6 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