Across
One poem filled empty day after sun set (8)
I haven't cracked this one yet — but Fifteensquared have:
SOL (sun)+ I (one) + IF (Kipling poem) in D[a]Y
West-facing complex of temples briefly visited by old trainspotter (6)
I haven't cracked this one yet — but Fifteensquared have:
O[ld] in reverse of KARNA[K] (Egyptian temple complex)
Rainbow is beginning to shine in reflection of light source – bulb! (9)
I haven't cracked this one yet — but Fifteensquared have:
ARC (rainbow) IS S[hine] in reverse of SUN
Better half’s other half, central? (5)
I haven't cracked this one yet — but Fifteensquared have:
HUBBY could mean “like a hub”, i.e. central. I’m not sure about the definition – it could be two (very similar) definitions of a partner, or a joking way for a husband to refer to himself
Mark, cryptically intense? (7,5)
I haven't cracked this one yet — but Fifteensquared have:
A cryptic clue for INTENSE could be “Decimal point” meaning IN TENS + E[ast] (compass point)
A bargain when cap removed, great deal (4)
Plant seed covering trail on surface (10)
I haven't cracked this one yet — but Fifteensquared have:
NAP (surface of cloth) + DRAG (to trail) in SON (seed, offspring)
I’ve day without a radio broadcast for onscreen recording of thoughts (5,5)
I haven't cracked this one yet — but Fifteensquared have:
Anagram of I’VE DAY less A + RADIO
What might reveal a little of thief, I think? (1-3)
Heart-breaking condition caught, result of a combination of knocks? (7,5)
I haven't cracked this one yet — but Fifteensquared have:
RICKETS + C[aught] in (“breaking”) CORE (heart)
A pretty oblique mark (5)
Purchasing system brotherhood discussed? (4,5)
I haven't cracked this one yet — but Fifteensquared have:
A brotherhood of e.g. monks could be a “male order”
A seaman concerned with reversing mistakes (6)
I haven't cracked this one yet — but Fifteensquared have:
Reverse of A TAR RE
Scuffle in breach of contract in settlement of others’ costs (8)
Down
Number penned by Gilbert & Sullivan, uplifting composition (4)
I haven't cracked this one yet — but Fifteensquared have:
Reverse of NO in G & S
Flier poet drops in (4)
Club where loon punched by plonker at the back (6)
I haven't cracked this one yet — but Fifteensquared have:
[plonke]R in L OON (diving bird) DIVER (diving bird, e.g. a loon)
Sucker digging weeds? (7,6)
Winner primarily missing in person who fails – one of those? (2-6)
I haven't cracked this one yet — but Fifteensquared have:
Anagram of PERSON WHO less W[inner]
Removing leader in bully, house stops Trump (7,3)
I haven't cracked this one yet — but Fifteensquared have:
B[ully] BINGO (the game of House) in RUFF (trump, in card games)
Fictional poison pretty OK in novel (10)
Tricky device, needle-like drill (5,8)
Player in pursuit of American vehicles? (5,5)
Rough tongue picked up something alcoholic (4,6)
I haven't cracked this one yet — but Fifteensquared have:
HARD + “licker” (tongue)
One Direction welcoming drunk in, OK being most squiffy? (8)
Love dressing king in what would suit knight? (6)
Tense – as lips? (4)
I haven't cracked this one yet — but Fifteensquared have:
Lips are edges, so “as lips” is EDGY
Said right, introduction not needed (4)
Type letters or click words in the clue