Ruling · Vivasvat Saptamī · 2055

Thursday 1 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 354 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 Wednesday 30 June

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

0 of 48 minutes covered

Midday of Thursday 1 July

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

48 of 48 minutes covered

Saptamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 20:57 on Wed 30 Jun to 18:40 on Thu 1 Jul.

    2055-06-30T12:57:09Z → 2055-07-01T10:39:54Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 30th, 11:58–12:46 on the 1st.

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

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 1st.

    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 21230 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 2055: Thursday 1 July.

    confidence: determinate

Say it like this

In Baoding, Vivasvat Saptamī 2055 falls on Thursday 1 July. Saptamī runs from 20:57 on Wed 30 Jun to 18:40 on Thu 1 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2055/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 1 Jul
Ahargaṇa, classicalDisc centre, no refractionThu 1 Jul
compat-drikpanchangComparison profileThu 1 Jul
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/vivasvat-saptami · ruleset 2026.3-draft

Month
Āṣāḍha, amānta
Pakṣa · aṅga
Śukla · Saptamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 102

“S 7 Vivasvat saptami (purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceSaptamīMadhyāhna 30thCoveredMadhyāhna 1stCoveredRuled
Los Angeles05:57 → 03:4012:3348 min12:330 min30 Jun
Chicago07:57 → 05:4012:3048 min12:310 min30 Jun
Jersey City08:57 → 06:4012:3648 min12:360 min30 Jun
Port of Spain08:57 → 06:4011:4648 min11:460 min30 Jun
London13:57 → 11:4012:400 min12:400 min1 Jul
Durban14:57 → 12:4011:360 min11:3648 min1 Jul
Dubai16:57 → 14:4011:590 min11:5948 min1 Jul
Delhi18:27 → 16:1012:010 min12:0148 min1 Jul
Kolkata18:27 → 16:1011:160 min11:1748 min1 Jul
Singapore20:57 → 18:4012:440 min12:4548 min1 Jul
Sydney22:57 → 20:4011:350 min11:3548 min1 Jul
Suva00:57 → 22:4011:460 min11:4648 min1 Jul
Profile · tradition
pac-rp@2026.1 · smarta
Rule
vivasvat-saptami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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