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April 1941 · each Moon as it stands at sunriseCaitra Śukla to Vaiśākha ŚuklaThe month ›

Ruling · 1941 · Baoding

Anaṅga Trayodaśī

Thursday 10 April1941 · Baoding, Hebei, China

Determinatemargin 22 min

In Baoding, under the Rashtriya Panchang method. Clear of every threshold by 22 minutes.

Decide it forBaodingDelhiKolkataSingaporeSydneyJersey City38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays मध्याह्न

One ghaṭī is 24 minutes

Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Wednesday 9 April

Trayodaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:56  13:44 madhyāhna ends
12:0812:3212:5613:2013:4414:0814:32

0 of 48 minutes covered

Midday of Thursday 10 April

Taken. The only midday Trayodaśī reaches.

madhyāhna begins 12:56  13:44 madhyāhna ends
Trayodaśī ends 13:18:04
12:0812:3212:5613:2013:4414:0814:32

22 of 48 minutes covered, the first 22

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

How it was decided निर्णय

  1. Step 1, Aṅga

    Trayodaśī runs from 16:15 on Wed 9 Apr to 13:18 on Thu 10 Apr.

    1941-04-09T07:15:05Z → 1941-04-10T04:18:05Z
  2. Step 2, Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:56–13:44 on the 9th, 12:56–13:44 on the 10th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
  3. Step 3, Rule

    Trayodaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 22 of 48 on the 10th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102
  4. Step 4, Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 1326 s
  5. Step 5, Ruling

    Anaṅga Trayodaśī, Baoding, 1941: Thursday 10 April.

    confidence: determinate

Say it like this

In Baoding, Anaṅga Trayodaśī 1941 falls on Thursday 10 April. Trayodaśī runs from 16:15 on Wed 9 Apr to 13:18 on Thu 10 Apr and covers 22 of 48 minutes of madhyāhna that midday.

ahargana.org/baoding/festivals/1941/ananga-trayodashipac-rp@2026.1

Who says what

never edited to agree

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 10 Apr
Ahargaṇa, classicalDisc centre, no refractionThu 10 Apr
compat-drikpanchangComparison profileThu 10 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 clocks

PlaceTrayodaśīMadhyāhna 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles23:15 → 20:1811:3148 min11:310 min9 Apr
Chicago01:15 → 22:1811:2948 min11:280 min9 Apr
Jersey City02:15 → 23:1811:3448 min11:340 min9 Apr
Port of Spain03:15 → 00:1811:4448 min11:430 min9 Apr
London08:15 → 05:1812:3948 min12:380 min9 Apr
Durban09:15 → 06:1811:3348 min11:330 min9 Apr
Dubai11:15 → 08:1811:5748 min11:560 min9 Apr
Delhi12:45 → 09:4811:592 min11:590 min9 Apr
Kolkata12:45 → 09:4811:140 min11:140 min10 Apr
Singapore14:35 → 11:3812:020 min12:020 min10 Apr
Sydney17:15 → 14:1811:330 min11:3248 min10 Apr
Suva19:15 → 16:1811:440 min11:4448 min10 Apr
This ruling as JSON · ICS
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