Ruling · Vasanta Pañcamī · 1970

Tuesday 10 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 563 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 Tuesday 10 February

Taken. The only midday Pañcamī reaches.

madhyāhna begins 12:09  12:57 madhyāhna ends
11:2111:4512:0912:3312:5713:2113:45

48 of 48 minutes covered

Midday of Wednesday 11 February

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:09  12:57 madhyāhna ends
11:2111:4512:0912:3312:5713:2113:45

0 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 02:46 on Tue 10 Feb to 01:03 on Wed 11 Feb.

    1970-02-09T18:45:53Z → 1970-02-10T17:03:23Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 10th, 12:09–12:57 on the 11th.

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

  3. 03

    Rule

    Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 33769 s

  5. 05

    Ruling

    Vasanta Pañcamī, Baoding, 1970: Tuesday 10 February.

    confidence: determinate

Say it like this

In Baoding, Vasanta Pañcamī 1970 falls on Tuesday 10 February. Pañcamī runs from 02:46 on Tue 10 Feb to 01:03 on Wed 11 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1970/vasanta-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 10 Feb
Ahargaṇa, classicalDisc centre, no refractionTue 10 Feb
compat-drikpanchangComparison profileTue 10 Feb
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/vasanta-panchami · ruleset 2026.3-draft

Month
Māgha, amānta
Pakṣa · aṅga
Śukla · Pañcamī
Kāla
Madhyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 105

“S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePañcamīMadhyāhna 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles10:46 → 09:0311:4348 min11:430 min9 Feb
Chicago12:46 → 11:0311:410 min11:410 min10 Feb
Jersey City13:46 → 12:0311:470 min11:4717 min10 Feb
Port of Spain14:46 → 13:0311:560 min11:5648 min10 Feb
London19:46 → 18:0312:510 min12:5148 min10 Feb
Durban20:46 → 19:0311:460 min11:4648 min10 Feb
Dubai22:46 → 21:0312:090 min12:0948 min10 Feb
Delhi00:16 → 22:3312:120 min12:1248 min10 Feb
Kolkata00:16 → 22:3311:270 min11:2748 min10 Feb
Singapore02:16 → 00:3312:250 min12:2548 min10 Feb
Sydney04:46 → 03:0311:450 min11:4548 min10 Feb
Suva06:46 → 05:0311:560 min11:5648 min10 Feb
Profile · tradition
pac-rp@2026.1 · smarta
Rule
vasanta-panchami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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