Ruling · Vivasvat Saptamī · 2048

Saturday 18 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 146 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 17 July

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

0 of 48 minutes covered

Midday of Saturday 18 July

Taken. The only midday Saptamī reaches.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

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 16:16 on Fri 17 Jul to 15:14 on Sat 18 Jul.

    2048-07-17T08:15:41Z → 2048-07-18T07:14:04Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 17th, 12:00–12:48 on the 18th.

    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 17th and 48 of 48 on the 18th.

    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 8744 s

  5. 05

    Ruling

    Vivasvat Saptamī, Baoding, 2048: Saturday 18 July.

    confidence: determinate

Say it like this

In Baoding, Vivasvat Saptamī 2048 falls on Saturday 18 July. Saptamī runs from 16:16 on Fri 17 Jul to 15:14 on Sat 18 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2048/vivasvat-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 18 Jul
Ahargaṇa, classicalDisc centre, no refractionSat 18 Jul
compat-drikpanchangComparison profileSat 18 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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles01:16 → 00:1412:3548 min12:350 min17 Jul
Chicago03:16 → 02:1412:3348 min12:330 min17 Jul
Jersey City04:16 → 03:1412:3848 min12:390 min17 Jul
Port of Spain04:16 → 03:1411:4848 min11:480 min17 Jul
London09:16 → 08:1412:4248 min12:430 min17 Jul
Durban10:16 → 09:1411:3848 min11:380 min17 Jul
Dubai12:16 → 11:1412:0133 min12:010 min17 Jul
Delhi13:46 → 12:4412:030 min12:0341 min18 Jul
Kolkata13:46 → 12:4411:190 min11:1948 min18 Jul
Singapore16:16 → 15:1412:470 min12:4748 min18 Jul
Sydney18:16 → 17:1411:380 min11:3848 min18 Jul
Suva20:16 → 19:1411:490 min11:4948 min18 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

About Ahargaṇa