Ruling · Anaṅga Trayodaśī · 2085

Saturday 7 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 105 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 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

Midday of Sunday 8 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 08:40 on Sat 7 Apr to 10:12 on Sun 8 Apr.

    2085-04-07T00:39:35Z → 2085-04-08T02:11:53Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 7th, 11:56–12:44 on the 8th.

    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 7th and 0 of 48 on the 8th.

    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 6275 s

  5. 05

    Ruling

    Anaṅga Trayodaśī, Baoding, 2085: Saturday 7 April.

    confidence: determinate

Say it like this

In Baoding, Anaṅga Trayodaśī 2085 falls on Saturday 7 April. Trayodaśī runs from 08:40 on Sat 7 Apr to 10:12 on Sun 8 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2085/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 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles17:40 → 19:1212:3148 min12:310 min7 Apr
Chicago19:40 → 21:1212:2948 min12:290 min7 Apr
Jersey City20:40 → 22:1212:3548 min12:350 min7 Apr
Port of Spain20:40 → 22:1211:4448 min11:440 min7 Apr
London01:40 → 03:1212:3948 min12:390 min7 Apr
Durban02:40 → 04:1211:3448 min11:340 min7 Apr
Dubai04:40 → 06:1211:5748 min11:570 min7 Apr
Delhi06:10 → 07:4212:0048 min11:590 min7 Apr
Kolkata06:10 → 07:4211:1548 min11:150 min7 Apr
Singapore08:40 → 10:1212:4348 min12:430 min7 Apr
Sydney10:40 → 12:1211:3348 min11:3339 min7 Apr
Suva12:40 → 14:1211:440 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

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