Ruling · Anaṅga Trayodaśī · 2018

Thursday 29 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 606 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 29 March

Taken. The only midday Trayodaśī reaches.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

48 of 48 minutes covered

Midday of Friday 30 March

Trayodaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

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 01:54 on Thu 29 Mar to 23:53 on Thu 29 Mar.

    2018-03-28T17:53:38Z → 2018-03-29T15:52:50Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 29th, 11:59–12:47 on the 30th.

    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 29th and 0 of 48 on the 30th.

    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 36342 s

  5. 05

    Ruling

    Anaṅga Trayodaśī, Baoding, 2018: Thursday 29 March.

    confidence: determinate

Say it like this

In Baoding, Anaṅga Trayodaśī 2018 falls on Thursday 29 March. Trayodaśī runs from 01:54 on Thu 29 Mar to 23:53 on Thu 29 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2018/ananga-trayodashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 29 Mar
Ahargaṇa, classicalDisc centre, no refractionThu 29 Mar
compat-drikpanchangComparison profileThu 29 Mar
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 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles10:54 → 08:5312:3448 min12:340 min28 Mar
Chicago12:54 → 10:5312:3226 min12:320 min28 Mar
Jersey City13:54 → 11:5312:380 min12:370 min29 Mar
Port of Spain13:54 → 11:5311:470 min11:476 min29 Mar
London18:54 → 16:5312:420 min12:4248 min29 Mar
Durban19:54 → 17:5311:370 min11:3648 min29 Mar
Dubai21:54 → 19:5312:000 min12:0048 min29 Mar
Delhi23:24 → 21:2312:020 min12:0248 min29 Mar
Kolkata23:24 → 21:2311:180 min11:1848 min29 Mar
Singapore01:54 → 23:5312:460 min12:4548 min29 Mar
Sydney04:54 → 02:5312:360 min12:3648 min29 Mar
Suva05:54 → 03:5311:470 min11:4748 min29 Mar
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