Ruling · Rambhā Tṛtīyā · 1931

Wednesday 20 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 603 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 Tuesday 19 May

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

0 of 48 minutes covered

Midday of Wednesday 20 May

Taken. The only midday Tṛtīyā reaches.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

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 23:24 on Tue 19 May to 22:42 on Wed 20 May.

    1931-05-19T15:24:28Z → 1931-05-20T14:41:54Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 19th, 11:51–12:39 on the 20th.

    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 19th and 48 of 48 on the 20th.

    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 36190 s

  5. 05

    Ruling

    Rambhā Tṛtīyā, Baoding, 1931: Wednesday 20 May.

    confidence: determinate

Say it like this

In Baoding, Rambhā Tṛtīyā 1931 falls on Wednesday 20 May. Tṛtīyā runs from 23:24 on Tue 19 May to 22:42 on Wed 20 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1931/rambha-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 20 May
Ahargaṇa, classicalDisc centre, no refractionWed 20 May
compat-drikpanchangComparison profileWed 20 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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles07:24 → 06:4211:2548 min11:260 min19 May
Chicago10:24 → 09:4212:2348 min12:230 min19 May
Jersey City11:24 → 10:4212:2948 min12:290 min19 May
Port of Spain11:24 → 10:4211:3848 min11:380 min19 May
London16:24 → 15:4212:330 min12:3348 min20 May
Durban17:24 → 16:4211:280 min11:2848 min20 May
Dubai19:24 → 18:4211:510 min11:5148 min20 May
Delhi20:54 → 20:1211:540 min11:5448 min20 May
Kolkata20:54 → 20:1211:090 min11:0948 min20 May
Singapore22:24 → 21:4211:370 min11:3748 min20 May
Sydney01:24 → 00:4211:270 min11:2748 min20 May
Suva03:24 → 02:4211:380 min11:3948 min20 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

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