Ruling · Rambhā Tṛtīyā · 2072

Friday 20 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 382 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 Friday 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 Saturday 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 05:30 on Fri 20 May to 03:35 on Sat 21 May.

    2072-05-19T21:29:32Z → 2072-05-20T19:35:22Z

  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 22900 s

  5. 05

    Ruling

    Rambhā Tṛtīyā, Baoding, 2072: Friday 20 May.

    confidence: determinate

Say it like this

In Baoding, Rambhā Tṛtīyā 2072 falls on Friday 20 May. Tṛtīyā runs from 05:30 on Fri 20 May to 03:35 on Sat 21 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2072/rambha-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 20 May
Ahargaṇa, classicalDisc centre, no refractionFri 20 May
compat-drikpanchangComparison profileFri 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 Angeles14:30 → 12:3512:260 min12:269 min20 May
Chicago16:30 → 14:3512:240 min12:2448 min20 May
Jersey City17:30 → 15:3512:290 min12:2948 min20 May
Port of Spain17:30 → 15:3511:390 min11:3948 min20 May
London22:30 → 20:3512:340 min12:3448 min20 May
Durban23:30 → 21:3511:290 min11:2948 min20 May
Dubai01:30 → 23:3511:520 min11:5248 min20 May
Delhi03:00 → 01:0511:540 min11:5448 min20 May
Kolkata03:00 → 01:0511:090 min11:0948 min20 May
Singapore05:30 → 03:3512:370 min12:3748 min20 May
Sydney07:30 → 05:3511:280 min11:2848 min20 May
Suva09:30 → 07:3511:390 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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