add more time helper functions

[UnderTreeTech]

No description provided.

[codecov-commenter]

Codecov Report

Merging #138 (9b69363) into master (e74b0fd) will decrease coverage by 0.01%.
The diff coverage is 92.85%.

@@            Coverage Diff             @@
##           master     #138      +/-   ##
==========================================
- Coverage   75.74%   75.72%   -0.02%     
==========================================
  Files          58       58              
  Lines        4127     4149      +22     
==========================================
+ Hits         3126     3142      +16     
- Misses        796      801       +5     
- Partials      205      206       +1     

Impacted Files	Coverage Δ
pkg/utils/xtime/time.go	92.40% <92.85%> (-7.60%)	⬇️

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