Ruling · Rambhā Tṛtīyā · 2090

Thursday 1 June

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 19 minutes.

Decide it for

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 Wednesday 31 May

Tṛtīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
Tṛtīyā begins 12:59:49
11:0411:2811:5212:1612:4013:0413:28

0 of 48 minutes covered

Midday of Thursday 1 June

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

madhyāhna begins 11:53  12:41 madhyāhna ends
Tṛtīyā ends 11:13:26
11:0511:2911:5312:1712:4113:0513:29

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 13:00 on Wed 31 May to 11:13 on Thu 1 Jun.

    2090-05-31T04:59:50Z → 2090-06-01T03:13:27Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 31st, 11:53–12:41 on the 1st.

    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 31st and 0 of 48 on the 1st.

    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 1161 s

  5. 05

    Ruling

    Rambhā Tṛtīyā, Baoding, 2090: Thursday 1 June.

    confidence: determinate

Say it like this

In Baoding, Rambhā Tṛtīyā 2090 falls on Thursday 1 June. Tṛtīyā runs from 13:00 on Wed 31 May to 11:13 on Thu 1 Jun, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/2090/rambha-tritiya · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 1 Jun
Ahargaṇa, classicalDisc centre, no refractionThu 1 Jun
compat-drikpanchangComparison profileWed 31 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 31stCoveredMadhyāhna 1stCoveredRuled
Los Angeles22:00 → 20:1312:2748 min12:280 min31 May
Chicago00:00 → 22:1312:2548 min12:250 min31 May
Jersey City01:00 → 23:1312:3148 min12:310 min31 May
Port of Spain01:00 → 23:1311:4048 min11:410 min31 May
London06:00 → 04:1312:3548 min12:350 min31 May
Durban07:00 → 05:1311:3048 min11:300 min31 May
Dubai09:00 → 07:1311:5348 min11:530 min31 May
Delhi10:30 → 08:4311:5548 min11:560 min31 May
Kolkata10:30 → 08:4311:1148 min11:110 min31 May
Singapore13:00 → 11:1312:3927 min12:390 min31 May
Sydney15:00 → 13:1311:290 min11:2948 min1 Jun
Suva17:00 → 15:1311:400 min11:4148 min1 Jun
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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