Ruling · Rambhā Tṛtīyā · 2080

Wednesday 22 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 20 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 21 May

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
Tṛtīyā begins 12:59:16
11:0311:2711:5112:1512:3913:0313:27

0 of 48 minutes covered

Midday of Wednesday 22 May

Taken. Tṛtīyā reaches neither midday; the rule takes the second day.

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 12:59 on Tue 21 May to 09:48 on Wed 22 May.

    2080-05-21T04:59:16Z → 2080-05-22T01:48:03Z

  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 0 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

    Neither midday qualifies. The rule takes the second day.

    priority: purvaviddha → second-day · margin 1195 s

  5. 05

    Ruling

    Rambhā Tṛtīyā, Baoding, 2080: Wednesday 22 May.

    confidence: determinate

Say it like this

In Baoding, Rambhā Tṛtīyā 2080 falls on Wednesday 22 May. Tṛtīyā runs from 12:59 on Tue 21 May to 09:48 on Wed 22 May, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/2080/rambha-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 22 May
Ahargaṇa, classicalDisc centre, no refractionWed 22 May
compat-drikpanchangComparison profileTue 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 Angeles21:59 → 18:4812:2648 min12:260 min21 May
Chicago23:59 → 20:4812:2448 min12:240 min21 May
Jersey City00:59 → 21:4812:3048 min12:300 min21 May
Port of Spain00:59 → 21:4811:3948 min11:390 min21 May
London05:59 → 02:4812:3448 min12:340 min21 May
Durban06:59 → 03:4811:2948 min11:290 min21 May
Dubai08:59 → 05:4811:5248 min11:520 min21 May
Delhi10:29 → 07:1811:5448 min11:540 min21 May
Kolkata10:29 → 07:1811:1048 min11:100 min21 May
Singapore12:59 → 09:4812:3826 min12:380 min21 May
Sydney14:59 → 11:4811:280 min11:2820 min22 May
Suva16:59 → 13:4811:390 min11:3948 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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