Ruling · Rambhā Tṛtīyā · 2053

Tuesday 20 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 430 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 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

Midday of Wednesday 21 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 04:41 on Tue 20 May to 01:11 on Wed 21 May.

    2053-05-19T20:40:50Z → 2053-05-20T17:10:35Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 20th, 11:51–12:39 on the 21st.

    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 20th and 0 of 48 on the 21st.

    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 25813 s

  5. 05

    Ruling

    Rambhā Tṛtīyā, Baoding, 2053: Tuesday 20 May.

    confidence: determinate

Say it like this

In Baoding, Rambhā Tṛtīyā 2053 falls on Tuesday 20 May. Tṛtīyā runs from 04:41 on Tue 20 May to 01:11 on Wed 21 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2053/rambha-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 20 May
Ahargaṇa, classicalDisc centre, no refractionTue 20 May
compat-drikpanchangComparison profileTue 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 Angeles13:41 → 10:1112:260 min12:260 min20 May
Chicago15:41 → 12:1112:240 min12:240 min20 May
Jersey City16:41 → 13:1112:290 min12:2941 min20 May
Port of Spain16:41 → 13:1111:390 min11:3948 min20 May
London21:41 → 18:1112:340 min12:3448 min20 May
Durban22:41 → 19:1111:280 min11:2848 min20 May
Dubai00:41 → 21:1111:520 min11:5248 min20 May
Delhi02:11 → 22:4111:540 min11:5448 min20 May
Kolkata02:11 → 22:4111:090 min11:0948 min20 May
Singapore04:41 → 01:1112:370 min12:3748 min20 May
Sydney06:41 → 03:1111:280 min11:2848 min20 May
Suva08:41 → 05:1111:390 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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