Ruling · Rambhā Tṛtīyā · 1939

Sunday 21 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 188 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 Sunday 21 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

Midday of Monday 22 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

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

How it was decided

  1. 01

    Aṅga

    Tṛtīyā runs from 08:43 on Sun 21 May to 06:23 on Mon 22 May.

    1939-05-21T00:42:41Z → 1939-05-21T22:23:13Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 21st, 11:51–12:39 on the 22nd.

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

  3. 03

    Rule

    Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.

    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 11288 s

  5. 05

    Ruling

    Rambhā Tṛtīyā, Baoding, 1939: Sunday 21 May.

    confidence: determinate

Say it like this

In Baoding, Rambhā Tṛtīyā 1939 falls on Sunday 21 May. Tṛtīyā runs from 08:43 on Sun 21 May to 06:23 on Mon 22 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1939/rambha-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 21 May
Ahargaṇa, classicalDisc centre, no refractionSun 21 May
compat-drikpanchangComparison profileSun 21 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles16:43 → 14:2311:2648 min11:260 min21 May
Chicago19:43 → 17:2312:2348 min12:230 min21 May
Jersey City20:43 → 18:2312:2948 min12:290 min21 May
Port of Spain20:43 → 18:2311:3948 min11:390 min21 May
London01:43 → 23:2312:3348 min12:330 min21 May
Durban02:43 → 00:2311:2848 min11:280 min21 May
Dubai04:43 → 02:2311:5148 min11:510 min21 May
Delhi06:13 → 03:5311:5448 min11:540 min21 May
Kolkata06:13 → 03:5311:0948 min11:090 min21 May
Singapore08:03 → 05:4311:5748 min11:570 min21 May
Sydney10:43 → 08:2311:2748 min11:280 min21 May
Suva12:43 → 10:2311:390 min11:390 min22 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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