Ruling · Rambhā Tṛtīyā · 1979

Monday 28 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 177 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 Monday 28 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 Tuesday 29 May

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

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 08:01 on Mon 28 May to 08:55 on Tue 29 May.

    1979-05-28T00:01:03Z → 1979-05-29T00:54:40Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 28th, 11:52–12:40 on the 29th.

    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 28th and 0 of 48 on the 29th.

    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 10614 s

  5. 05

    Ruling

    Rambhā Tṛtīyā, Baoding, 1979: Monday 28 May.

    confidence: determinate

Say it like this

In Baoding, Rambhā Tṛtīyā 1979 falls on Monday 28 May. Tṛtīyā runs from 08:01 on Mon 28 May to 08:55 on Tue 29 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1979/rambha-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 28 May
Ahargaṇa, classicalDisc centre, no refractionMon 28 May
compat-drikpanchangComparison profileMon 28 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 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles17:01 → 17:5512:2648 min12:260 min28 May
Chicago19:01 → 19:5512:2448 min12:240 min28 May
Jersey City20:01 → 20:5512:3048 min12:300 min28 May
Port of Spain20:01 → 20:5511:3948 min11:390 min28 May
London01:01 → 01:5512:3448 min12:340 min28 May
Durban02:01 → 02:5511:2948 min11:290 min28 May
Dubai04:01 → 04:5511:5248 min11:520 min28 May
Delhi05:31 → 06:2511:5448 min11:540 min28 May
Kolkata05:31 → 06:2511:1048 min11:100 min28 May
Singapore07:31 → 08:2512:0848 min12:080 min28 May
Sydney10:01 → 10:5511:2848 min11:280 min28 May
Suva12:01 → 12:5511:3926 min11:3948 min28 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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