Year 38 BC was either a common year starting on Sunday or Monday or a leap year starting on Saturday, Sunday or Monday of the Julian calendar. At the time, it was known as the Year of the Consulship of Pulcher and Flaccus.

Millennium: 1st millennium BC
Centuries: 2nd century BC1st century BC1st century
Decades: 60s BC  50s BC  40s BC  – 30s BC –  20s BC  10s BC  0s BC
Years: 41 BC 40 BC 39 BC38 BC37 BC 36 BC 35 BC
38 BC in other calendars
Gregorian calendar38 BC
Ab urbe condita716
Ancient Egypt eraXXXIII dynasty, 286
- PharaohCleopatra VII, 14
Ancient Greek era185th Olympiad, year 3
Assyrian calendar4713
Balinese saka calendarN/A
Bengali calendar−630
Berber calendar913
Buddhist calendar507
Burmese calendar−675
Byzantine calendar5471–5472
Chinese calendar壬午(Water Horse)
2659 or 2599
    — to —
癸未年 (Water Goat)
2660 or 2600
Coptic calendar−321 – −320
Discordian calendar1129
Ethiopian calendar−45 – −44
Hebrew calendar3723–3724
Hindu calendars
 - Vikram Samvat19–20
 - Shaka SamvatN/A
 - Kali Yuga3063–3064
Holocene calendar9963
Iranian calendar659 BP – 658 BP
Islamic calendar679 BH – 678 BH
Javanese calendarN/A
Julian calendar38 BC
Korean calendar2296
Minguo calendar1949 before ROC
Nanakshahi calendar−1505
Seleucid era274/275 AG
Thai solar calendar505–506
Tibetan calendar阳水马年
(male Water-Horse)
89 or −292 or −1064
    — to —
(female Water-Goat)
90 or −291 or −1063

38 BC was year 1 of the Spanish era calendar that was used in Hispania until the 15th century.

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