Unix Timestamp daƙiƙa da milisekondi: me yasa kwanan wata ke nuna 1970

Ka canza timestamp ka faɗa watan Janairu 1970. Agogo da wuya ya lalace. An karanta lambar a matsayin milisekondi yayin da aka adana ta a daƙiƙa—ko kuma akasin haka.

Me Unix timestamp yake?

Unix timestamp yana auna lokaci tun Unix epoch: 1970-01-01 00:00:00 UTC. Galibi yana amfani da cikakken daƙiƙa. Ana iya adana wannan lokacin a milisekondi ma (daƙiƙa × 1,000). Lambar kanta ba ta nuna raka’a.

Daƙiƙa da milisekondi: bambanci ×1,000

Daƙiƙa ɗaya daidai yake da milisekondi 1,000. Kwatanta 1720000000 da 1720000000000. Idan na farko daƙiƙa ne kuma na biyu milisekondi, wannan lokaci ɗaya ne. Karanta na farko a matsayin milisekondi, kwanan wata ta tsallake zuwa 1970.

Waɗannan sakamakon UTC an ƙidaya su daga lambobin da ke sama, ba hasashe ba.

Ƙima	Raka'a mai yiwuwa	Fassara (UTC)
1720000000	Daƙiƙa	Kwanan wata na zamani a matsayin daƙiƙa: 2024-07-03 09:46:40 UTC
1720000000000	Milisekondi	Wannan lokaci a matsayin milisekondi: 2024-07-03 09:46:40 UTC
1720000000 a matsayin milisekondi	Raka'a ba daidai ba	Kwanan wata kusa da 1970: 1970-01-20 21:46:40 UTC

Me yasa timestamp ɗina ke nuna 1970?

Idan an ɗauki ƙimar daƙiƙa a matsayin milisekondi, lambar ta yi ƙarami sau 1,000 fiye da yadda ake buƙata. JavaScript sai ta ƙidaya ɗan gajeren tazara bayan Unix epoch, don haka kwanan wata ta zauna a 1970:

const seconds = 1720000000;

new Date(seconds);
// 1970-01-20 21:46:40 UTC

new Date(seconds * 1000);
// 2024-07-03 09:46:40 UTC

Wannan kwanan wata ta 1970 epoch ce ƙari kusan makonni biyu. Ninka daƙiƙa da 1,000 kafin ka ba wa Date.

• DAƘIƘA
• 1720000000
• × 1000
• ↓
• MILISEKONDI
• 1720000000000

• Ƙimar daƙiƙa
• ↓
• An ɗauka a kuskure a matsayin milisekondi
• ↓
• Kwanan wata kusa da 1970

Shin lambobi 10 daƙiƙa ne kuma 13 milisekondi?

Ga kwanakin zamani, lambobi 10 sau da yawa daƙiƙa ne, 13 sau da yawa milisekondi. Alamar gaggawa ce, ba ka’idar tabbatarwa ba. Yawan lambobi yana canzawa da kewayon lokaci; wasu API suna adana mikrosekondi ko nanosekondi. Tabbatar da raka’a daga takardu ko kwanan wata mai ma’ana.

Me yasa wannan yake faruwa sau da yawa a JavaScript

A JavaScript, Date na lamba milisekondi ne tun epoch. Yawancin backend, rumbun bayanai da kayan Unix har yanzu suna adana daƙiƙa. Ba da daƙiƙa kai tsaye ga Date kuskure ne na yau da kullum:

const unixSeconds = 1720000000;

const wrong = new Date(unixSeconds);
const correct = new Date(unixSeconds * 1000);

wrong yana kusa da 1970 (1970-01-20 21:46:40 UTC). correct shine lokacin zamani (2024-07-03 09:46:40 UTC).

Wasu tsarin suna amfani da raka’o’i daban

Wasu harsuna, API da rumbun bayanai na iya amfani da daƙiƙa ko milisekondi. Wasu suna adana mikrosekondi ko nanosekondi. Kada ka ɗauka cewa harshe koyaushe yana amfani da raka’a ɗaya—duba takardu. Idan lambar tana cikin JSON, Gyara da kwatanta JSON yana sa filin ya zama mai karantawa; har yanzu ba ya faɗin raka’a.

Yaya zan san wace raka’a timestamp ɗina ke amfani da ita?

Yi waɗannan bincike a jere. Yawan lambobi kaɗai bai isa ba.

1. Duba takardun API ko rumbun bayanai.
2. Duba kusan yawan lambobi.
3. Kwatanta ƙimar da timestamp na zamani mai yiwuwa.
4. Gwada ƙimar a matsayin daƙiƙa da a matsayin milisekondi.
5. Duba ko kwanan wata da aka samu tana da ma’ana.

Idan fassara ɗaya ta faɗa 1970 kuma ɗaya ta faɗa kwanan wata da ka sani, dalili shine raka’a ba ta dace ba.

Kurakurai na yau da kullum na Unix timestamp

• Daƙiƙa da aka fassara a matsayin milisekondi. Kwanan wata tana ruguje zuwa 1970, kamar misalin da ke sama.
• Milisekondi da aka fassara a matsayin daƙiƙa. Kwanan wata tana tsallake nesa cikin gaba, ko canzawa ta gaza.
• Ninkawa da 1,000 sau biyu. Ƙimar da tuni ta kasance milisekondi tana zama katuwa kuma kwanan wata tana tsallake ƙarni gaba.
• Raba da 1,000 sau biyu. Ƙimar daƙiƙa tana sake raguwa, kusa da 1970 kuma.
• Zargin yankin lokaci. Yankin na iya motsa sa’o’i ko ranar kalanda. Ba ya kai timestamp na zamani zuwa 1970.
• Ɗaukar jerin kwanan wata da aka tsara a matsayin Unix timestamp. Ƙima kamar 2024-07-03T09:46:40Z ba lambar epoch ba ce. Raba ta a matsayin kwanan wata, ba daƙiƙa ba.

Shin yankin lokaci ne ke haifar da matsalar 1970?

Galibi a’a. Yankin lokaci na iya canza agogon da aka nuna, kusa da tsakar dare kwanan wata ta kalanda. Ba ya mai da Unix timestamp na zamani 1970. Idan sakamakon 1970 ne, fara duba daƙiƙa da milisekondi.

Canza ka duba Unix timestamp

NEXNARA Mai juya kwanan wata da lokaci na iya canza Unix timestamp a cikin burauza.

Manna daƙiƙa ko milisekondi na Unix, yi amfani da timestamp na yanzu, ga UTC da lokacin gida, canza yankuna ka tsara kwanan wata. Gano ta atomatik sau da yawa yana ɗaukar lambobi 10 a matsayin daƙiƙa da 13 a matsayin milisekondi; har yanzu za ka iya zaɓar raka’a.

Canzawa kanta tana faruwa a burauzarka. Wannan kayan aiki ba ya aika kwanakin wata ko timestamps zuwa uwar garken NEXNARA. Talla da sauran fasalolin rukunin yanar gizo har yanzu suna amfani da hanyar sadarwa; hakan ya bambanta da canzawa.

Kana buƙatar duba Unix timestamp? Buɗe Mai juya kwanan wata da lokaci ka kwatanta daƙiƙa da milisekondi.

FAQ

Me yasa Unix timestamp ɗina ke nuna 1970?

Sau da yawa daƙiƙa ne da aka karanta a matsayin milisekondi. JavaScript tana kula da lamba da yawa ƙarami, don haka kwanan wata tana zauna jim kaɗan bayan 1970-01-01 00:00:00 UTC. Ninka daƙiƙa da 1,000 ka sake canzawa.

Unix timestamps daƙiƙa ne ko milisekondi?

Galibi daƙiƙa. Yawancin API na yanar gizo da JavaScript Date suna amfani da milisekondi. Koyaushe duba abin da tsarin ke rubuta. Wasu tsarin suna amfani da mikrosekondi ko nanosekondi.

Yaya zan canza daƙiƙa zuwa milisekondi?

Ninka da 1,000. 1720000000 daƙiƙa shine 1720000000000 milisekondi. A wata hanya, raba da 1,000.

Me yasa JavaScript Date ke amfani da milisekondi?

Timestamp na lamba na Date a JavaScript an ayyana shi a matsayin milisekondi tun Unix epoch. Don haka new Date(unixSeconds) ba daidai ba ne idan unixSeconds daƙiƙa ne na Unix.

Shin timestamp mai lambobi 10 koyaushe daƙiƙa ne?

A’a. Ga kwanakin zamani sau da yawa haka, kuma lambobi 13 sau da yawa milisekondi. Yawan lambobi alama ce, ba ka’ida ba. Tabbatar da takardu ko kwanan wata mai ma’ana.

Shin Unix timestamp yana ƙunshe da yankin lokaci?

A’a. Unix timestamp lokaci ne da aka ƙidaya daga 1970-01-01 00:00:00 UTC. Yankunan lokaci suna shafar yadda ake nunawa, ba lambar kanta ba.