Related Clues:

• Prime meridian hrs.
• Prime meridian std.
• Standard setting at 0° long.
• Tax-payer's acronym
• Despised tax, for short
• Clock standard, briefly
• Setting at 0 degrees long.
• Chronometric std.
• Tax acronym
• It's five hours later than EST
• BBC clock setting
• Time by the Thames
• It's eight hours later than PST
• Standard setting at 0 degrees long.
• Times of London