Ruling · Mahāśivarātri (Shivratri) · 2028

Wednesday 23 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 490 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two nights

One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.

Night of Wednesday 23 February

Taken. The only night Caturdaśī reaches.

niśītha begins 00:07  00:55 niśītha ends
23:1923:4300:0700:3100:5501:1901:43

48 of 48 minutes covered

Night of Thursday 24 February

Caturdaśī is absent from niśītha. Not taken.

niśītha begins 00:07  00:55 niśītha ends
23:1923:4300:0700:3100:5501:1901:43

0 of 48 minutes covered

Caturdaśī presentNiśītha, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Caturdaśī runs from 13:15 on Wed 23 Feb to 15:57 on Thu 24 Feb.

    2028-02-23T05:14:56Z → 2028-02-24T07:57:02Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 00:07–00:55 on the 23rd, 00:07–00:55 on the 24th.

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

  3. 03

    Rule

    Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.

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

  4. 04

    Tie-break

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

    priority: disputed → only-day · margin 29400 s

  5. 05

    Ruling

    Mahāśivarātri, Baoding, 2028: Wednesday 23 February.

    confidence: determinate

Say it like this

In Baoding, Mahāśivarātri (Shivratri) 2028 falls on Wednesday 23 February. Caturdaśī runs from 13:15 on Wed 23 Feb to 15:57 on Thu 24 Feb and covers all of niśītha that night.

ahargana.org/baoding/festivals/2028/maha-shivaratri · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 23 Feb
Ahargaṇa, classicalDisc centre, no refractionWed 23 Feb
compat-drikpanchangComparison profileWed 23 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/maha-shivaratri · ruleset 2026.3-draft

Month
Māgha, amānta
Pakṣa · aṅga
Kṛṣṇa · Caturdaśī
Kāla
Niśītha
Priority
Disputed
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 105

“K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105. The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceCaturdaśīNiśītha 23rdCoveredNiśītha 24thCoveredRuled
Los Angeles21:15 → 23:5723:4215 min23:420 min22 Feb
Chicago23:15 → 01:5723:4048 min23:390 min22 Feb
Jersey City00:15 → 02:5723:4548 min23:450 min23 Feb
Port of Spain01:15 → 03:5723:5548 min23:550 min23 Feb
London05:15 → 07:5723:4948 min23:490 min23 Feb
Durban07:15 → 09:5723:4548 min23:450 min23 Feb
Dubai09:15 → 11:5700:0848 min00:080 min23 Feb
Delhi10:45 → 13:2700:1048 min00:100 min23 Feb
Kolkata10:45 → 13:2723:2648 min23:260 min23 Feb
Singapore13:15 → 15:5700:5448 min00:540 min23 Feb
Sydney16:15 → 18:5700:4548 min00:450 min23 Feb
Suva17:15 → 19:5723:5648 min23:560 min23 Feb
Profile · tradition
pac-rp@2026.1 · smarta
Rule
maha-shivaratri@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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