Ruling · Śītalāṣṭamī · 2059

Sunday 6 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 72 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 Saturday 5 April

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

0 of 48 minutes covered

Midday of Sunday 6 April

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

48 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 15:28 on Sat 5 Apr to 13:57 on Sun 6 Apr.

    2059-04-05T07:27:33Z → 2059-04-06T05:57:09Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 5th, 11:57–12:45 on the 6th.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.

    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: purvaviddha → only-day · margin 4325 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 2059: Sunday 6 April.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 2059 falls on Sunday 6 April. Aṣṭamī runs from 15:28 on Sat 5 Apr to 13:57 on Sun 6 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2059/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 6 Apr
Ahargaṇa, classicalDisc centre, no refractionSun 6 Apr
compat-drikpanchangComparison profileSun 6 Apr
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/shitalashtami · ruleset 2026.3-draft

Month
Phālguna, amānta
Pakṣa · aṅga
Kṛṣṇa · Aṣṭamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 105

“K 8 Sitalastami, (purvaviddha)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAṣṭamīMadhyāhna 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles00:28 → 22:5712:3248 min12:320 min5 Apr
Chicago02:28 → 00:5712:3048 min12:290 min5 Apr
Jersey City03:28 → 01:5712:3548 min12:350 min5 Apr
Port of Spain03:28 → 01:5711:4548 min11:450 min5 Apr
London08:28 → 06:5712:4048 min12:400 min5 Apr
Durban09:28 → 07:5711:3448 min11:340 min5 Apr
Dubai11:28 → 09:5711:5848 min11:570 min5 Apr
Delhi12:58 → 11:2712:000 min12:000 min6 Apr
Kolkata12:58 → 11:2711:160 min11:1512 min6 Apr
Singapore15:28 → 13:5712:430 min12:4348 min6 Apr
Sydney18:28 → 15:5712:340 min11:3448 min6 Apr
Suva19:28 → 17:5711:450 min11:4548 min6 Apr
Profile · tradition
pac-rp@2026.1 · smarta
Rule
shitalashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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