Ruling · Rambhā Tṛtīyā · 2099

Friday 22 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 18 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 22 May

Taken. The only midday Tṛtīyā reaches.

madhyāhna begins 11:52  12:40 madhyāhna ends
Tṛtīyā begins 12:21:31
11:0411:2811:5212:1612:4013:0413:28

18 of 48 minutes covered, the last 18

Midday of Saturday 23 May

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
Tṛtīyā ends 11:15:22
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 12:22 on Fri 22 May to 11:15 on Sat 23 May.

    2099-05-22T04:21:31Z → 2099-05-23T03:15:23Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 22nd, 11:52–12:40 on the 23rd.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Tṛtīyā must be present during madhyāhna. It covers 18 of 48 minutes on the 22nd and 0 of 48 on the 23rd.

    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 1083 s

  5. 05

    Ruling

    Rambhā Tṛtīyā, Baoding, 2099: Friday 22 May.

    confidence: determinate

Say it like this

In Baoding, Rambhā Tṛtīyā 2099 falls on Friday 22 May. Tṛtīyā runs from 12:22 on Fri 22 May to 11:15 on Sat 23 May and covers 18 of 48 minutes of madhyāhna that midday.

ahargana.org/baoding/festivals/2099/rambha-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 22 May
Ahargaṇa, classicalDisc centre, no refractionFri 22 May
compat-drikpanchangComparison profileFri 22 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 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles21:22 → 20:1512:2648 min12:260 min22 May
Chicago23:22 → 22:1512:2448 min12:240 min22 May
Jersey City00:22 → 23:1512:3048 min12:300 min22 May
Port of Spain00:22 → 23:1511:3948 min11:390 min22 May
London05:22 → 04:1512:3448 min12:340 min22 May
Durban06:22 → 05:1511:2948 min11:290 min22 May
Dubai08:22 → 07:1511:5248 min11:520 min22 May
Delhi09:52 → 08:4511:5448 min11:540 min22 May
Kolkata09:52 → 08:4511:1048 min11:100 min22 May
Singapore12:22 → 11:1512:3848 min12:380 min22 May
Sydney14:22 → 13:1511:280 min11:2848 min23 May
Suva16:22 → 15:1511:390 min11:3948 min23 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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