Ruling · Rambhā Tṛtīyā · 2020

Monday 25 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 483 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 25 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 26 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 03:31 on Mon 25 May to 03:49 on Tue 26 May.

    2020-05-24T19:31:05Z → 2020-05-25T19:48:38Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 25th, 11:51–12:39 on the 26th.

    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 25th and 0 of 48 on the 26th.

    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 28968 s

  5. 05

    Ruling

    Rambhā Tṛtīyā, Baoding, 2020: Monday 25 May.

    confidence: determinate

Say it like this

In Baoding, Rambhā Tṛtīyā 2020 falls on Monday 25 May. Tṛtīyā runs from 03:31 on Mon 25 May to 03:49 on Tue 26 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2020/rambha-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 25 May
Ahargaṇa, classicalDisc centre, no refractionMon 25 May
compat-drikpanchangComparison profileMon 25 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 24thCoveredMadhyāhna 25thCoveredRuled
Los Angeles12:31 → 12:4912:2643 min12:2622 min24 May
Chicago14:31 → 14:4912:240 min12:2448 min25 May
Jersey City15:31 → 15:4912:290 min12:3048 min25 May
Port of Spain15:31 → 15:4911:390 min11:3948 min25 May
London20:31 → 20:4912:340 min12:3448 min25 May
Durban21:31 → 21:4911:290 min11:2948 min25 May
Dubai23:31 → 23:4911:520 min11:5248 min25 May
Delhi01:01 → 01:1911:540 min11:5448 min25 May
Kolkata01:01 → 01:1911:100 min11:1048 min25 May
Singapore03:31 → 03:4912:370 min12:3848 min25 May
Sydney05:31 → 05:4911:280 min11:2848 min25 May
Suva07:31 → 07:4911:390 min11:3948 min25 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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