Ruling · Rambhā Tṛtīyā · 1900

Thursday 31 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 469 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 Wednesday 30 May

Tṛtīyā 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

Midday of Thursday 31 May

Taken. The only midday Tṛtīyā reaches.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

48 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Tṛtīyā runs from 20:45 on Wed 30 May to 20:34 on Thu 31 May.

    1900-05-30T12:39:43Z → 1900-05-31T12:29:01Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 30th, 11:57–12:45 on the 31st.

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

  3. 03

    Rule

    Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 31st.

    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 28160 s

  5. 05

    Ruling

    Rambhā Tṛtīyā, Baoding, 1900: Thursday 31 May.

    confidence: determinate

Say it like this

In Baoding, Rambhā Tṛtīyā 1900 falls on Thursday 31 May. Tṛtīyā runs from 20:45 on Wed 30 May to 20:34 on Thu 31 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1900/rambha-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 31 May
Ahargaṇa, classicalDisc centre, no refractionThu 31 May
compat-drikpanchangComparison profileThu 31 May
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/rambha-tritiya · ruleset 2026.3-draft

Month
Jyeṣṭha, amānta
Pakṣa · aṅga
Śukla · Tṛtīyā
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 102

“S 3 Rambha trtiya (purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceTṛtīyāMadhyāhna 30thCoveredMadhyāhna 31stCoveredRuled
Los Angeles04:40 → 04:2911:2648 min11:270 min30 May
Chicago06:40 → 06:2911:2448 min11:240 min30 May
Jersey City07:40 → 07:2911:3048 min11:300 min30 May
Port of Spain08:40 → 08:2911:3948 min11:400 min30 May
London12:40 → 12:2911:340 min11:3448 min31 May
Durban14:10 → 13:5910:590 min10:5948 min31 May
Dubai16:21 → 16:1011:330 min11:3348 min31 May
Delhi18:01 → 17:5011:450 min11:4648 min31 May
Kolkata18:01 → 17:5011:010 min11:0148 min31 May
Singapore19:35 → 19:2411:330 min11:3348 min31 May
Sydney22:40 → 22:2911:280 min11:2848 min31 May
Suva00:35 → 00:2411:340 min11:3548 min31 May
Profile · tradition
pac-rp@2026.1 · smarta
Rule
rambha-tritiya@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

About Ahargaṇa