<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (November 2011) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (November 2011) (Learn how and when to remove this template message) </Td> </Tr> <Table> <Tr> <Th> 24 - hour clock </Th> <Th> 12 - hour clock </Th> </Tr> <Tr> <Td> 00: 00 </Td> <Td> 12: 00 midnight (start of the day) </Td> </Tr> <Tr> <Td> 01: 00 </Td> <Td> 1: 00 a.m. </Td> </Tr> <Tr> <Td> 02: 00 </Td> <Td> 2: 00 a.m. </Td> </Tr> <Tr> <Td> 03: 00 </Td> <Td> 3: 00 a.m </Td> </Tr> <Tr> <Td> 04: 00 </Td> <Td> 4: 00 a.m. </Td> </Tr> <Tr> <Td> 05: 00 </Td> <Td> 5: 00 a.m. </Td> </Tr> <Tr> <Td> 06: 00 </Td> <Td> 6: 00 a.m. </Td> </Tr> <Tr> <Td> 07: 00 </Td> <Td> 7: 00 a.m. </Td> </Tr> <Tr> <Td> 08: 00 </Td> <Td> 8: 00 a.m. </Td> </Tr> <Tr> <Td> 09: 00 </Td> <Td> 9: 00 a.m. </Td> </Tr> <Tr> <Td> 10: 00 </Td> <Td> 10: 00 a.m. </Td> </Tr> <Tr> <Td> 11: 00 </Td> <Td> 11: 00 a.m. </Td> </Tr> <Tr> <Td> 12: 00 </Td> <Td> 12: 00 noon * </Td> </Tr> <Tr> <Td> 13: 00 </Td> <Td> 1: 00 p.m. </Td> </Tr> <Tr> <Td> 14: 00 </Td> <Td> 2: 00 p.m. </Td> </Tr> <Tr> <Td> 15: 00 </Td> <Td> 3: 00 p.m. </Td> </Tr> <Tr> <Td> 16: 00 </Td> <Td> 4: 00 p.m. </Td> </Tr> <Tr> <Td> 17: 00 </Td> <Td> 5: 00 p.m. </Td> </Tr> <Tr> <Td> 18: 00 </Td> <Td> 6: 00 p.m. </Td> </Tr> <Tr> <Td> 19: 00 </Td> <Td> 7: 00 p.m. </Td> </Tr> <Tr> <Td> 20: 00 </Td> <Td> 8: 00 p.m. </Td> </Tr> <Tr> <Td> 21: 00 </Td> <Td> 9: 00 p.m. </Td> </Tr> <Tr> <Td> 22: 00 </Td> <Td> 10: 00 p.m. </Td> </Tr> <Tr> <Td> 23: 00 </Td> <Td> 11: 00 p.m. </Td> </Tr> <Tr> <Td> 24: 00 </Td> <Td> (midnight) * (end of the day) </Td> </Tr> <Tr> <Td_colspan="3"> * See "Confusion at noon and midnight" </Td> </Tr> </Table> <Tr> <Th> 24 - hour clock </Th> <Th> 12 - hour clock </Th> </Tr>

What is 19 00 hours in regular time
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