Ruling · Rambhā Tṛtīyā · 1912

Sunday 19 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 557 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 18 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 Sunday 19 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 00:54 on Sun 19 May to 21:56 on Sun 19 May.

    1912-05-18T16:53:36Z → 1912-05-19T13:55:55Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 18th, 11:51–12:39 on the 19th.

    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 18th and 48 of 48 on the 19th.

    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 33434 s

  5. 05

    Ruling

    Rambhā Tṛtīyā, Baoding, 1912: Sunday 19 May.

    confidence: determinate

Say it like this

In Baoding, Rambhā Tṛtīyā 1912 falls on Sunday 19 May. Tṛtīyā runs from 00:54 on Sun 19 May to 21:56 on Sun 19 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1912/rambha-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 19 May
Ahargaṇa, classicalDisc centre, no refractionSun 19 May
compat-drikpanchangComparison profileSun 19 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 18thCoveredMadhyāhna 19thCoveredRuled
Los Angeles08:54 → 05:5611:2548 min11:250 min18 May
Chicago10:54 → 07:5611:2348 min11:230 min18 May
Jersey City11:54 → 08:5611:2923 min11:290 min18 May
Port of Spain12:54 → 09:5611:380 min11:380 min19 May
London16:54 → 13:5611:330 min11:3348 min19 May
Durban18:54 → 15:5611:280 min11:2848 min19 May
Dubai20:35 → 17:3711:320 min11:3248 min19 May
Delhi22:24 → 19:2611:530 min11:5448 min19 May
Kolkata22:24 → 19:2611:090 min11:0948 min19 May
Singapore23:54 → 20:5611:370 min11:3748 min19 May
Sydney02:54 → 23:5611:270 min11:2748 min19 May
Suva04:49 → 01:5111:330 min11:3448 min19 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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